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112472281 = 1091103091
BaseRepresentation
bin1101011010000…
…11000011011001
321211122011222001
412231003003121
5212243103111
615054401001
72533666345
oct655030331
9254564861
10112472281
11585400a9
1231800161
131a3bc75c
1410d1a625
159d1a1c1
hex6b430d9

112472281 has 4 divisors (see below), whose sum is σ = 112576464. Its totient is φ = 112368100.

The previous prime is 112472263. The next prime is 112472293. The reversal of 112472281 is 182274211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112472281 - 29 = 112471769 is a prime.

It is a super-2 number, since 2×1124722812 = 25300027986685922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112472251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50455 + ... + 52636.

It is an arithmetic number, because the mean of its divisors is an integer number (28144116).

Almost surely, 2112472281 is an apocalyptic number.

It is an amenable number.

112472281 is a deficient number, since it is larger than the sum of its proper divisors (104183).

112472281 is a wasteful number, since it uses less digits than its factorization.

112472281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104182.

The product of its digits is 1792, while the sum is 28.

The square root of 112472281 is about 10605.2949511081. The cubic root of 112472281 is about 482.7050410457.

The spelling of 112472281 in words is "one hundred twelve million, four hundred seventy-two thousand, two hundred eighty-one".

Divisors: 1 1091 103091 112472281