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113631401 = 1337923063
BaseRepresentation
bin1101100010111…
…10000010101001
321220211001222102
412301132002221
5213042201101
615135303145
72546564612
oct661360251
9256731872
10113631401
1159161a54
123207aab5
131a707220
141113cc09
159e9886b
hex6c5e0a9

113631401 has 8 divisors (see below), whose sum is σ = 122700480. Its totient is φ = 104609232.

The previous prime is 113631391. The next prime is 113631407. The reversal of 113631401 is 104136311.

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

It is a de Polignac number, because none of the positive numbers 2k-113631401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113631407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6605 + ... + 16458.

It is an arithmetic number, because the mean of its divisors is an integer number (15337560).

Almost surely, 2113631401 is an apocalyptic number.

It is an amenable number.

113631401 is a deficient number, since it is larger than the sum of its proper divisors (9069079).

113631401 is a wasteful number, since it uses less digits than its factorization.

113631401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 113631401 is about 10659.8030469610. The cubic root of 113631401 is about 484.3576020445.

Adding to 113631401 its reverse (104136311), we get a palindrome (217767712).

The spelling of 113631401 in words is "one hundred thirteen million, six hundred thirty-one thousand, four hundred one".

Divisors: 1 13 379 4927 23063 299819 8740877 113631401