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86911604 = 221310211637
BaseRepresentation
bin1010010111000…
…10101001110100
320001112120022022
411023202221310
5134222132404
612342452312
72103510413
oct513425164
9201476268
1086911604
1145071a7a
1225134098
13150102b0
14b78547a
15796b8be
hex52e2a74

86911604 has 24 divisors (see below), whose sum is σ = 164055528. Its totient is φ = 40049280.

The previous prime is 86911603. The next prime is 86911607. The reversal of 86911604 is 40611968.

It can be written as a sum of positive squares in 4 ways, for example, as 384400 + 86527204 = 620^2 + 9302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86911603) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52274 + ... + 53910.

It is an arithmetic number, because the mean of its divisors is an integer number (6835647).

Almost surely, 286911604 is an apocalyptic number.

It is an amenable number.

86911604 is a deficient number, since it is larger than the sum of its proper divisors (77143924).

86911604 is a wasteful number, since it uses less digits than its factorization.

86911604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 86911604 is about 9322.6393258562. The cubic root of 86911604 is about 442.9546397104.

The spelling of 86911604 in words is "eighty-six million, nine hundred eleven thousand, six hundred four".

Divisors: 1 2 4 13 26 52 1021 1637 2042 3274 4084 6548 13273 21281 26546 42562 53092 85124 1671377 3342754 6685508 21727901 43455802 86911604