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86609108 = 2237358049
BaseRepresentation
bin1010010100110…
…00110011010100
320000222012100202
411022120303110
5134132442413
612332200032
72101110455
oct512306324
9200865322
1086609108
1144985783
1225009018
1314c356c1
14b70712c
15790be58
hex5298cd4

86609108 has 12 divisors (see below), whose sum is σ = 151974900. Its totient is φ = 43187712.

The previous prime is 86609077. The next prime is 86609143. The reversal of 86609108 is 80190668.

It can be written as a sum of positive squares in 2 ways, for example, as 55383364 + 31225744 = 7442^2 + 5588^2 .

It is a super-2 number, since 2×866091082 = 15002275177111328, which contains 22 as substring.

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, 27533 + ... + 30516.

It is an arithmetic number, because the mean of its divisors is an integer number (12664575).

Almost surely, 286609108 is an apocalyptic number.

It is an amenable number.

86609108 is a deficient number, since it is larger than the sum of its proper divisors (65365792).

86609108 is a wasteful number, since it uses less digits than its factorization.

86609108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58426 (or 58424 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 86609108 is about 9306.4014527636. The cubic root of 86609108 is about 442.4401408597.

The spelling of 86609108 in words is "eighty-six million, six hundred nine thousand, one hundred eight".

Divisors: 1 2 4 373 746 1492 58049 116098 232196 21652277 43304554 86609108