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113957687 = 196789519
BaseRepresentation
bin1101100101011…
…01101100110111
321221102122120002
412302231230313
5213133121222
615150301515
72552424104
oct662555467
9257378502
10113957687
1159365108
12321b789b
131a7bc8ac
14111c5aab
15a010392
hex6cadb37

113957687 has 8 divisors (see below), whose sum is σ = 121747200. Its totient is φ = 106347384.

The previous prime is 113957677. The next prime is 113957707. The reversal of 113957687 is 786759311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113957687 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 (113957677) 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 7 ways as a sum of consecutive naturals, for example, 43487 + ... + 46032.

It is an arithmetic number, because the mean of its divisors is an integer number (15218400).

Almost surely, 2113957687 is an apocalyptic number.

113957687 is a deficient number, since it is larger than the sum of its proper divisors (7789513).

113957687 is an equidigital number, since it uses as much as digits as its factorization.

113957687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89605.

The product of its digits is 317520, while the sum is 47.

The square root of 113957687 is about 10675.0965803594. The cubic root of 113957687 is about 484.8207606353.

The spelling of 113957687 in words is "one hundred thirteen million, nine hundred fifty-seven thousand, six hundred eighty-seven".

Divisors: 1 19 67 1273 89519 1700861 5997773 113957687