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112688031 = 3191976983
BaseRepresentation
bin1101011011101…
…11101110011111
321212001010220210
412231313232133
5212322004111
615103143503
72535555351
oct655675637
9255033823
10112688031
1158678205
12318a4b93
131a466a11
1410d750d1
159d5e0a6
hex6b77b9f

112688031 has 8 divisors (see below), whose sum is σ = 158158720. Its totient is φ = 71171352.

The previous prime is 112688029. The next prime is 112688041. The reversal of 112688031 is 130886211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112688031 - 21 = 112688029 is a prime.

It is a super-2 number, since 2×1126880312 = 25397184661313922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112688031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112688011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988435 + ... + 988548.

It is an arithmetic number, because the mean of its divisors is an integer number (19769840).

Almost surely, 2112688031 is an apocalyptic number.

112688031 is a deficient number, since it is larger than the sum of its proper divisors (45470689).

112688031 is a wasteful number, since it uses less digits than its factorization.

112688031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977005.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 112688031 is about 10615.4618834981. The cubic root of 112688031 is about 483.0134936155.

The spelling of 112688031 in words is "one hundred twelve million, six hundred eighty-eight thousand, thirty-one".

Divisors: 1 3 19 57 1976983 5930949 37562677 112688031