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8102864 = 247116577
BaseRepresentation
bin11110111010001111010000
3120020200001002
4132322033100
54033242424
6445401132
7125605340
oct36721720
916220032
108102864
114634890
1228691a8
1318a91c3
14110cd20
15aa0cae
hex7ba3d0

8102864 has 40 divisors (see below), whose sum is σ = 19576128. Its totient is φ = 3156480.

The previous prime is 8102851. The next prime is 8102867. The reversal of 8102864 is 4682018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102867) 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, 2057 + ... + 4520.

Almost surely, 28102864 is an apocalyptic number.

It is an amenable number.

8102864 is an abundant number, since it is smaller than the sum of its proper divisors (11473264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8102864 is a wasteful number, since it uses less digits than its factorization.

8102864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8102864 is about 2846.5530031953. The cubic root of 8102864 is about 200.8535520622.

The spelling of 8102864 in words is "eight million, one hundred two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 6577 13154 26308 46039 52616 72347 92078 105232 144694 184156 289388 368312 506429 578776 736624 1012858 1157552 2025716 4051432 8102864