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113489207 = 138729939
BaseRepresentation
bin1101100001110…
…11010100110111
321220112211220222
412300323110313
5213023123312
615132244555
72545433216
oct660732467
9256484828
10113489207
1159075137
123201075b
131a6875a0
141110307d
159e6b672
hex6c3b537

113489207 has 4 divisors (see below), whose sum is σ = 122219160. Its totient is φ = 104759256.

The previous prime is 113489203. The next prime is 113489213. The reversal of 113489207 is 702984311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702984311 = 4714957113.

It is a cyclic number.

It is not a de Polignac number, because 113489207 - 22 = 113489203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113489203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364957 + ... + 4364982.

It is an arithmetic number, because the mean of its divisors is an integer number (30554790).

Almost surely, 2113489207 is an apocalyptic number.

113489207 is a deficient number, since it is larger than the sum of its proper divisors (8729953).

113489207 is an equidigital number, since it uses as much as digits as its factorization.

113489207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729952.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 113489207 is about 10653.1313237001. The cubic root of 113489207 is about 484.1554821713.

The spelling of 113489207 in words is "one hundred thirteen million, four hundred eighty-nine thousand, two hundred seven".

Divisors: 1 13 8729939 113489207