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113457887 = 691116417
BaseRepresentation
bin1101100001100…
…11101011011111
321220111020221222
412300303223133
5213021123022
615131443555
72545243004
oct660635337
9256436858
10113457887
1159053654
1231bb65bb
131a67625a
14110d58ab
159e62242
hex6c33adf

113457887 has 4 divisors (see below), whose sum is σ = 113481216. Its totient is φ = 113434560.

The previous prime is 113457871. The next prime is 113457907. The reversal of 113457887 is 788754311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113457887 - 24 = 113457871 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 (113457187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (28370304).

Almost surely, 2113457887 is an apocalyptic number.

113457887 is a deficient number, since it is larger than the sum of its proper divisors (23329).

113457887 is an equidigital number, since it uses as much as digits as its factorization.

113457887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328.

The product of its digits is 188160, while the sum is 44.

The square root of 113457887 is about 10651.6612319394. The cubic root of 113457887 is about 484.1109400654.

The spelling of 113457887 in words is "one hundred thirteen million, four hundred fifty-seven thousand, eight hundred eighty-seven".

Divisors: 1 6911 16417 113457887