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56977344 = 263429379
BaseRepresentation
bin1101100101011…
…0011111000000
310222012202020000
43121112133000
5104041233334
65353120000
71261204464
oct331263700
9128182200
1056977344
112a186a16
12170b9000
13ba5c208
1477d24a4
155007299
hex36567c0

56977344 has 140 divisors (see below), whose sum is σ = 175183800. Its totient is φ = 18289152.

The previous prime is 56977343. The next prime is 56977357. The reversal of 56977344 is 44377965.

56977344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (635040) is a multiple of the sum of its prime factors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 56977344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56977343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 150147 + ... + 150525.

Almost surely, 256977344 is an apocalyptic number.

56977344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56977344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87591900).

56977344 is an abundant number, since it is smaller than the sum of its proper divisors (118206456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56977344 is a wasteful number, since it uses less digits than its factorization.

56977344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 413 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 56977344 is about 7548.3338558916. Note that the first 3 decimals coincide. The cubic root of 56977344 is about 384.7991171064.

It can be divided in two parts, 5697 and 7344, that added together give a triangular number (13041 = T161).

The spelling of 56977344 in words is "fifty-six million, nine hundred seventy-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 81 87 96 108 116 144 162 174 192 216 232 261 288 324 348 379 432 464 522 576 648 696 758 783 864 928 1044 1137 1296 1392 1516 1566 1728 1856 2088 2274 2349 2592 2784 3032 3132 3411 4176 4548 4698 5184 5568 6064 6264 6822 8352 9096 9396 10233 10991 12128 12528 13644 16704 18192 18792 20466 21982 24256 25056 27288 30699 32973 36384 37584 40932 43964 50112 54576 61398 65946 72768 75168 81864 87928 98919 109152 122796 131892 150336 163728 175856 197838 218304 245592 263784 296757 327456 351712 395676 491184 527568 593514 654912 703424 791352 890271 982368 1055136 1187028 1582704 1780542 1964736 2110272 2374056 3165408 3561084 4748112 6330816 7122168 9496224 14244336 18992448 28488672 56977344