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113229987 = 31319413727
BaseRepresentation
bin1101011111111…
…00000010100011
321220001200100020
412233330002203
5212441324422
615122524523
72543303403
oct657740243
9256050306
10113229987
1158a08402
1231b06743
131a5c65c0
1411076803
159e1995c
hex6bfc0a3

113229987 has 32 divisors (see below), whose sum is σ = 175365120. Its totient is φ = 64385280.

The previous prime is 113229971. The next prime is 113230021. The reversal of 113229987 is 789922311.

It is not a de Polignac number, because 113229987 - 24 = 113229971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113229947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28518 + ... + 32244.

It is an arithmetic number, because the mean of its divisors is an integer number (5480160).

Almost surely, 2113229987 is an apocalyptic number.

113229987 is a deficient number, since it is larger than the sum of its proper divisors (62135133).

113229987 is a wasteful number, since it uses less digits than its factorization.

113229987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its digits is 54432, while the sum is 42.

The square root of 113229987 is about 10640.9579925869. The cubic root of 113229987 is about 483.7865823078.

The spelling of 113229987 in words is "one hundred thirteen million, two hundred twenty-nine thousand, nine hundred eighty-seven".

Divisors: 1 3 13 19 39 41 57 123 247 533 741 779 1599 2337 3727 10127 11181 30381 48451 70813 145353 152807 212439 458421 920569 1986491 2761707 2903333 5959473 8709999 37743329 113229987