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105512808 = 2334396367
BaseRepresentation
bin1100100100111…
…11111101101000
321100112121100210
412102133331220
5204002402213
614245301120
72420562342
oct622377550
9240477323
10105512808
1154617375
122b4047a0
1318b23b1b
1410028292
1593e30c3
hex649ff68

105512808 has 16 divisors (see below), whose sum is σ = 263782080. Its totient is φ = 35170928.

The previous prime is 105512783. The next prime is 105512819. The reversal of 105512808 is 808215501.

It is a super-2 number, since 2×1055128082 = 22265905304089728, which contains 22 as substring.

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, 2198160 + ... + 2198207.

It is an arithmetic number, because the mean of its divisors is an integer number (16486380).

Almost surely, 2105512808 is an apocalyptic number.

It is an amenable number.

105512808 is an abundant number, since it is smaller than the sum of its proper divisors (158269272).

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

105512808 is a wasteful number, since it uses less digits than its factorization.

105512808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396376 (or 4396372 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 105512808 is about 10271.9427568498. The cubic root of 105512808 is about 472.5361737094.

The spelling of 105512808 in words is "one hundred five million, five hundred twelve thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 4396367 8792734 13189101 17585468 26378202 35170936 52756404 105512808