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111404930 = 25721317489
BaseRepresentation
bin1101010001111…
…10011110000010
321202121221211112
412220332132002
5212004424210
615015443322
72521632500
oct650763602
9252557745
10111404930
115798119a
1231386542
131a1079a0
1410b1d670
159ba8d05
hex6a3e782

111404930 has 48 divisors (see below), whose sum is σ = 251226360. Its totient is φ = 35255808.

The previous prime is 111404929. The next prime is 111404941. The reversal of 111404930 is 39404111.

It can be written as a sum of positive squares in 4 ways, for example, as 28976689 + 82428241 = 5383^2 + 9079^2 .

It is a super-2 number, since 2×1114049302 = 24822116856609800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111404896 and 111404905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375 + ... + 15114.

Almost surely, 2111404930 is an apocalyptic number.

111404930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111404930 is an abundant number, since it is smaller than the sum of its proper divisors (139821430).

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

111404930 is a wasteful number, since it uses less digits than its factorization.

111404930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523 (or 17516 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 111404930 is about 10554.8533860021. The cubic root of 111404930 is about 481.1732439569.

The spelling of 111404930 in words is "one hundred eleven million, four hundred four thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 455 490 637 910 1274 3185 6370 17489 34978 87445 122423 174890 227357 244846 454714 612115 856961 1136785 1224230 1591499 1713922 2273570 3182998 4284805 7957495 8569610 11140493 15914990 22280986 55702465 111404930