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87934676 = 22171293157
BaseRepresentation
bin1010011110111…
…00011011010100
320010110112200212
411033130123110
5140002402201
612420424552
72115301214
oct517343324
9203415625
1087934676
1145700695
1225548158
13152aab6b
14b970244
157abeabb
hex53dc6d4

87934676 has 12 divisors (see below), whose sum is σ = 162937908. Its totient is φ = 41380992.

The previous prime is 87934669. The next prime is 87934703. The reversal of 87934676 is 67643978.

It can be written as a sum of positive squares in 2 ways, for example, as 75516100 + 12418576 = 8690^2 + 3524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646511 + ... + 646646.

It is an arithmetic number, because the mean of its divisors is an integer number (13578159).

Almost surely, 287934676 is an apocalyptic number.

It is an amenable number.

87934676 is a deficient number, since it is larger than the sum of its proper divisors (75003232).

87934676 is a wasteful number, since it uses less digits than its factorization.

87934676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293178 (or 1293176 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 87934676 is about 9377.3490923608. The cubic root of 87934676 is about 444.6859308123.

The spelling of 87934676 in words is "eighty-seven million, nine hundred thirty-four thousand, six hundred seventy-six".

Divisors: 1 2 4 17 34 68 1293157 2586314 5172628 21983669 43967338 87934676