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86897902 = 2713477461
BaseRepresentation
bin1010010110111…
…11010011101110
320001111212111211
411023133103232
5134221213102
612342305034
72103422440
oct513372356
9201455454
1086897902
1145062753
122512817a
1315006ca0
14b780490
1579677d7
hex52df4ee

86897902 has 16 divisors (see below), whose sum is σ = 160427232. Its totient is φ = 34377120.

The previous prime is 86897879. The next prime is 86897917. The reversal of 86897902 is 20979868.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238549 + ... + 238912.

It is an arithmetic number, because the mean of its divisors is an integer number (10026702).

Almost surely, 286897902 is an apocalyptic number.

86897902 is a deficient number, since it is larger than the sum of its proper divisors (73529330).

86897902 is a wasteful number, since it uses less digits than its factorization.

86897902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477483.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 86897902 is about 9321.9044191624. The cubic root of 86897902 is about 442.9313605656.

The spelling of 86897902 in words is "eighty-six million, eight hundred ninety-seven thousand, nine hundred two".

Divisors: 1 2 7 13 14 26 91 182 477461 954922 3342227 6206993 6684454 12413986 43448951 86897902