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112407281 = 7174123039
BaseRepresentation
bin1101011001100…
…11001011110001
321211111212210122
412230303023301
5212234013111
615053140025
72533306010
oct654631361
9254455718
10112407281
11584a6288
123178a615
131a398cac
1410d00a77
159d05cdb
hex6b332f1

112407281 has 16 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 88465920.

The previous prime is 112407259. The next prime is 112407293. The reversal of 112407281 is 182704211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112407281 is a prime.

It is a super-2 number, since 2×1124072812 = 25270793643625922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112407281.

It is not an unprimeable number, because it can be changed into a prime (112409281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6641 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2112407281 is an apocalyptic number.

It is an amenable number.

112407281 is a deficient number, since it is larger than the sum of its proper divisors (26938639).

112407281 is a wasteful number, since it uses less digits than its factorization.

112407281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 112407281 is about 10602.2300012780. The cubic root of 112407281 is about 482.6120347999.

The spelling of 112407281 in words is "one hundred twelve million, four hundred seven thousand, two hundred eighty-one".

Divisors: 1 7 17 41 119 287 697 4879 23039 161273 391663 944599 2741641 6612193 16058183 112407281