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105913444 = 22713290971
BaseRepresentation
bin1100101000000…
…01110001100100
321101021221221011
412110001301210
5204103212234
614302032004
72424151360
oct624016144
9241257834
10105913444
115487037a
122b578604
1318c342a0
14100d02a0
159471b64
hex6501c64

105913444 has 24 divisors (see below), whose sum is σ = 228122048. Its totient is φ = 41899680.

The previous prime is 105913439. The next prime is 105913463. The reversal of 105913444 is 444319501.

It is a super-2 number, since 2×1059134442 = 22435315239882272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145122 + ... + 145849.

Almost surely, 2105913444 is an apocalyptic number.

105913444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105913444 is an abundant number, since it is smaller than the sum of its proper divisors (122208604).

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

105913444 is a wasteful number, since it uses less digits than its factorization.

105913444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290995 (or 290993 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 105913444 is about 10291.4257515662. The cubic root of 105913444 is about 473.1334973842.

The spelling of 105913444 in words is "one hundred five million, nine hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 290971 581942 1163884 2036797 3782623 4073594 7565246 8147188 15130492 26478361 52956722 105913444