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113747292 = 22323159647
BaseRepresentation
bin1101100011110…
…10010101011100
321221000221221200
412301322111130
5213104403132
615141555500
72550556521
oct661722534
9257027850
10113747292
115923102a
1232115b90
131a747bb9
141116d148
159ebcd7c
hex6c7a55c

113747292 has 18 divisors (see below), whose sum is σ = 287527968. Its totient is φ = 37915752.

The previous prime is 113747261. The next prime is 113747297. The reversal of 113747292 is 292747311.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3159647 = 113747292 / (1 + 1 + 3 + 7 + 4 + 7 + 2 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113747297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1579788 + ... + 1579859.

It is an arithmetic number, because the mean of its divisors is an integer number (15973776).

Almost surely, 2113747292 is an apocalyptic number.

113747292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113747292 is an abundant number, since it is smaller than the sum of its proper divisors (173780676).

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

113747292 is a wasteful number, since it uses less digits than its factorization.

113747292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159657 (or 3159652 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 113747292 is about 10665.2375500970. The cubic root of 113747292 is about 484.5222091696.

The spelling of 113747292 in words is "one hundred thirteen million, seven hundred forty-seven thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 3159647 6319294 9478941 12638588 18957882 28436823 37915764 56873646 113747292