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87685101 = 3274183409
BaseRepresentation
bin1010011100111…
…11011111101101
320002222212100100
411032133133231
5134421410401
612411221313
72113211460
oct516373755
9202885310
1087685101
1145550129
1225447839
131522139a
14b9072d7
157a70b86
hex539f7ed

87685101 has 48 divisors (see below), whose sum is σ = 150433920. Its totient is φ = 48176640.

The previous prime is 87685097. The next prime is 87685141. The reversal of 87685101 is 10158678.

87685101 is a `hidden beast` number, since 87 + 68 + 510 + 1 = 666.

It is not a de Polignac number, because 87685101 - 22 = 87685097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87685141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214185 + ... + 214593.

It is an arithmetic number, because the mean of its divisors is an integer number (3134040).

Almost surely, 287685101 is an apocalyptic number.

It is an amenable number.

87685101 is a deficient number, since it is larger than the sum of its proper divisors (62748819).

87685101 is a wasteful number, since it uses less digits than its factorization.

87685101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 87685101 is about 9364.0323045150. The cubic root of 87685101 is about 444.2648316569.

The spelling of 87685101 in words is "eighty-seven million, six hundred eighty-five thousand, one hundred one".

Divisors: 1 3 7 9 21 41 63 83 123 249 287 369 409 581 747 861 1227 1743 2583 2863 3403 3681 5229 8589 10209 16769 23821 25767 30627 33947 50307 71463 101841 117383 150921 214389 237629 305523 352149 712887 1056447 1391827 2138661 4175481 9742789 12526443 29228367 87685101