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113640411 = 337880137
BaseRepresentation
bin1101100011000…
…00001111011011
321220211112100010
412301200033123
5213042443121
615135413003
72546633103
oct661401733
9256745303
10113640411
11591687a5
1232084163
131a70b361
1411142203
159e9b376
hex6c603db

113640411 has 4 divisors (see below), whose sum is σ = 151520552. Its totient is φ = 75760272.

The previous prime is 113640409. The next prime is 113640419. The reversal of 113640411 is 114046311.

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

It is not a de Polignac number, because 113640411 - 21 = 113640409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113640419) 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, 18940066 + ... + 18940071.

It is an arithmetic number, because the mean of its divisors is an integer number (37880138).

Almost surely, 2113640411 is an apocalyptic number.

113640411 is a deficient number, since it is larger than the sum of its proper divisors (37880141).

113640411 is an equidigital number, since it uses as much as digits as its factorization.

113640411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880140.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 113640411 is about 10660.2256542721. The cubic root of 113640411 is about 484.3704035138.

Adding to 113640411 its reverse (114046311), we get a palindrome (227686722).

The spelling of 113640411 in words is "one hundred thirteen million, six hundred forty thousand, four hundred eleven".

Divisors: 1 3 37880137 113640411