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56143248 = 2437179829
BaseRepresentation
bin1101011000101…
…0110110010000
310220122101001120
43112022312100
5103333040443
65323202240
71251131640
oct326126620
9126571046
1056143248
1129767287
1216976380
13b829675
147656520
154de0083
hex358ad90

56143248 has 80 divisors (see below), whose sum is σ = 175524480. Its totient is φ = 15095808.

The previous prime is 56143237. The next prime is 56143249. The reversal of 56143248 is 84234165.

It is not an unprimeable number, because it can be changed into a prime (56143249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (2194056).

Almost surely, 256143248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56143248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87762240).

56143248 is an abundant number, since it is smaller than the sum of its proper divisors (119381232).

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

56143248 is a wasteful number, since it uses less digits than its factorization.

56143248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864 (or 9858 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 56143248 is about 7492.8798202026. The cubic root of 56143248 is about 382.9121773245.

The spelling of 56143248 in words is "fifty-six million, one hundred forty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 9829 19658 29487 39316 58974 68803 78632 117948 137606 157264 167093 206409 235896 275212 334186 412818 471792 501279 550424 668372 825636 1002558 1100848 1169651 1336744 1651272 2005116 2339302 2673488 3302544 3508953 4010232 4678604 7017906 8020464 9357208 14035812 18714416 28071624 56143248