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112972401 = 36314999
BaseRepresentation
bin1101011101111…
…01001001110001
321212120121000000
412232331021301
5212410104101
615113220213
72541151413
oct656751161
9255517000
10112972401
1158851923
1231a01669
131a536299
141100a9b3
159db8486
hex6bbd271

112972401 has 28 divisors (see below), whose sum is σ = 174880000. Its totient is φ = 72870840.

The previous prime is 112972399. The next prime is 112972421. The reversal of 112972401 is 104279211.

It is not a de Polignac number, because 112972401 - 21 = 112972399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112972421) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20100 + ... + 25098.

Almost surely, 2112972401 is an apocalyptic number.

It is an amenable number.

112972401 is a deficient number, since it is larger than the sum of its proper divisors (61907599).

112972401 is an frugal number, since it uses more digits than its factorization.

112972401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5033 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 112972401 is about 10628.8475856981. The cubic root of 112972401 is about 483.4194496840.

The spelling of 112972401 in words is "one hundred twelve million, nine hundred seventy-two thousand, four hundred one".

Divisors: 1 3 9 27 31 81 93 243 279 729 837 2511 4999 7533 14997 22599 44991 134973 154969 404919 464907 1214757 1394721 3644271 4184163 12552489 37657467 112972401