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113315087 = 439725771
BaseRepresentation
bin1101100000100…
…00110100001111
321220020000002002
412300100310033
5213002040322
615124422515
72544106454
oct660206417
9256200062
10113315087
1158a66336
1231b47a3b
131a626262
141109982b
159e34c92
hex6c10d0f

113315087 has 4 divisors (see below), whose sum is σ = 113345256. Its totient is φ = 113284920.

The previous prime is 113315071. The next prime is 113315117. The reversal of 113315087 is 780513311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780513311 = 6481120431.

It is a cyclic number.

It is not a de Polignac number, because 113315087 - 24 = 113315071 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 (113315057) 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, 8489 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (28336314).

Almost surely, 2113315087 is an apocalyptic number.

113315087 is a deficient number, since it is larger than the sum of its proper divisors (30169).

113315087 is an equidigital number, since it uses as much as digits as its factorization.

113315087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30168.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 113315087 is about 10644.9559416655. The cubic root of 113315087 is about 483.9077514123.

Adding to 113315087 its reverse (780513311), we get a palindrome (893828398).

The spelling of 113315087 in words is "one hundred thirteen million, three hundred fifteen thousand, eighty-seven".

Divisors: 1 4397 25771 113315087