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86972276 = 2229749761
BaseRepresentation
bin1010010111100…
…01011101110100
320001122122112102
411023301131310
5134231103101
612344041232
72104152326
oct513613564
9201578472
1086972276
1145103616
1225163218
1315031ab1
14b79d616
15797e86b
hex52f1774

86972276 has 12 divisors (see below), whose sum is σ = 157450020. Its totient is φ = 41986560.

The previous prime is 86972261. The next prime is 86972287. The reversal of 86972276 is 67227968.

It can be written as a sum of positive squares in 2 ways, for example, as 27836176 + 59136100 = 5276^2 + 7690^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86972276.

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, 374765 + ... + 374996.

It is an arithmetic number, because the mean of its divisors is an integer number (13120835).

Almost surely, 286972276 is an apocalyptic number.

It is an amenable number.

86972276 is a deficient number, since it is larger than the sum of its proper divisors (70477744).

86972276 is a wasteful number, since it uses less digits than its factorization.

86972276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749794 (or 749792 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 86972276 is about 9325.8927722766. The cubic root of 86972276 is about 443.0576895963.

The spelling of 86972276 in words is "eighty-six million, nine hundred seventy-two thousand, two hundred seventy-six".

Divisors: 1 2 4 29 58 116 749761 1499522 2999044 21743069 43486138 86972276