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49421880 = 2333567683
BaseRepresentation
bin1011110010000…
…1111000111000
310102222220002000
42330201320320
5100123000010
64523141000
71140036054
oct274417070
9112886060
1049421880
1125996432
1214674760
13a315221
1467c6c64
1545137c0
hex2f21e38

49421880 has 128 divisors (see below), whose sum is σ = 167443200. Its totient is φ = 12963456.

The previous prime is 49421857. The next prime is 49421891. The reversal of 49421880 is 8812494.

49421880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 72019 + ... + 72701.

It is an arithmetic number, because the mean of its divisors is an integer number (1308150).

Almost surely, 249421880 is an apocalyptic number.

49421880 is a gapful number since it is divisible by the number (40) 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 49421880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83721600).

49421880 is an abundant number, since it is smaller than the sum of its proper divisors (118021320).

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

49421880 is a wasteful number, since it uses less digits than its factorization.

49421880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 49421880 is about 7030.0697009347. The cubic root of 49421880 is about 366.9777671916.

The spelling of 49421880 in words is "forty-nine million, four hundred twenty-one thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 67 72 90 108 120 134 135 180 201 216 268 270 335 360 402 536 540 603 670 683 804 1005 1080 1206 1340 1366 1608 1809 2010 2049 2412 2680 2732 3015 3415 3618 4020 4098 4824 5464 6030 6147 6830 7236 8040 8196 9045 10245 12060 12294 13660 14472 16392 18090 18441 20490 24120 24588 27320 30735 36180 36882 40980 45761 49176 61470 72360 73764 81960 91522 92205 122940 137283 147528 183044 184410 228805 245880 274566 366088 368820 411849 457610 549132 686415 737640 823698 915220 1098264 1235547 1372830 1647396 1830440 2059245 2471094 2745660 3294792 4118490 4942188 5491320 6177735 8236980 9884376 12355470 16473960 24710940 49421880