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112139972 = 2277383661
BaseRepresentation
bin1101010111100…
…01111011000100
321211000022010022
412223301323010
5212201434342
615043314312
72531113460
oct653617304
9254008108
10112139972
115833346a
123167b998
131a304419
1410c714a0
159ca19d2
hex6af1ec4

112139972 has 48 divisors (see below), whose sum is σ = 230439552. Its totient is φ = 46759680.

The previous prime is 112139969. The next prime is 112139983. The reversal of 112139972 is 279931211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169322 + ... + 169982.

It is an arithmetic number, because the mean of its divisors is an integer number (4800824).

Almost surely, 2112139972 is an apocalyptic number.

It is an amenable number.

112139972 is an abundant number, since it is smaller than the sum of its proper divisors (118299580).

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

112139972 is a wasteful number, since it uses less digits than its factorization.

112139972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 112139972 is about 10589.6162347840. The cubic root of 112139972 is about 482.2291742607.

The spelling of 112139972 in words is "one hundred twelve million, one hundred thirty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 73 83 146 166 292 332 511 581 661 1022 1162 1322 2044 2324 2644 4627 6059 9254 12118 18508 24236 42413 48253 54863 84826 96506 109726 169652 193012 219452 337771 384041 675542 768082 1351084 1536164 4004999 8009998 16019996 28034993 56069986 112139972