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113751720 = 23325315977
BaseRepresentation
bin1101100011110…
…11011010101000
321221001012000200
412301323122220
5213110023340
615142032200
72550605445
oct661733250
9257035020
10113751720
1159234395
1232118660
131a749c14
14111709cc
159ebe330
hex6c7b6a8

113751720 has 48 divisors (see below), whose sum is σ = 369694260. Its totient is φ = 30333696.

The previous prime is 113751719. The next prime is 113751731. The reversal of 113751720 is 27157311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107371044 + 6380676 = 10362^2 + 2526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157629 + ... + 158348.

Almost surely, 2113751720 is an apocalyptic number.

113751720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113751720 is an abundant number, since it is smaller than the sum of its proper divisors (255942540).

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

113751720 is a wasteful number, since it uses less digits than its factorization.

113751720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315994 (or 315987 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 113751720 is about 10665.4451383897. The cubic root of 113751720 is about 484.5284963127.

The spelling of 113751720 in words is "one hundred thirteen million, seven hundred fifty-one thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 315977 631954 947931 1263908 1579885 1895862 2527816 2843793 3159770 3791724 4739655 5687586 6319540 7583448 9479310 11375172 12639080 14218965 18958620 22750344 28437930 37917240 56875860 113751720