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87796044 = 22327271701
BaseRepresentation
bin1010011101110…
…10100101001100
320010012111112100
411032322211030
5134433433134
612413435100
72114153100
oct516724514
9203174470
1087796044
1145616516
122549ba90
131525ca2b
14b935900
157a93999
hex53ba94c

87796044 has 108 divisors (see below), whose sum is σ = 262171728. Its totient is φ = 24696000.

The previous prime is 87796013. The next prime is 87796057. The reversal of 87796044 is 44069778.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124894 + ... + 125594.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 287796044 is an apocalyptic number.

87796044 is a gapful number since it is divisible by the number (84) 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 87796044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131085864).

87796044 is an abundant number, since it is smaller than the sum of its proper divisors (174375684).

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

87796044 is a wasteful number, since it uses less digits than its factorization.

87796044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 87796044 is about 9369.9543221939. The cubic root of 87796044 is about 444.4521204137.

The spelling of 87796044 in words is "eighty-seven million, seven hundred ninety-six thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 71 84 98 126 142 147 196 213 252 284 294 426 441 497 588 639 701 852 882 994 1278 1402 1491 1764 1988 2103 2556 2804 2982 3479 4206 4473 4907 5964 6309 6958 8412 8946 9814 10437 12618 13916 14721 17892 19628 20874 25236 29442 31311 34349 41748 44163 49771 58884 62622 68698 88326 99542 103047 125244 137396 149313 176652 199084 206094 298626 309141 348397 412188 447939 597252 618282 696794 895878 1045191 1236564 1393588 1791756 2090382 2438779 3135573 4180764 4877558 6271146 7316337 9755116 12542292 14632674 21949011 29265348 43898022 87796044