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113731442 = 21112494139
BaseRepresentation
bin1101100011101…
…10011101110010
321221000011012122
412301312131302
5213103401232
615141354242
72550462356
oct661663562
9257004178
10113731442
1159220130
1232108982
131a740916
1411167466
159eb8312
hex6c76772

113731442 has 16 divisors (see below), whose sum is σ = 186300000. Its totient is φ = 51642240.

The previous prime is 113731441. The next prime is 113731463. The reversal of 113731442 is 244137311.

It is not an unprimeable number, because it can be changed into a prime (113731441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25409 + ... + 29547.

It is an arithmetic number, because the mean of its divisors is an integer number (11643750).

Almost surely, 2113731442 is an apocalyptic number.

113731442 is a deficient number, since it is larger than the sum of its proper divisors (72568558).

113731442 is a wasteful number, since it uses less digits than its factorization.

113731442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its digits is 2016, while the sum is 26.

The square root of 113731442 is about 10664.4944559037. The cubic root of 113731442 is about 484.4997030404.

Adding to 113731442 its reverse (244137311), we get a palindrome (357868753).

The spelling of 113731442 in words is "one hundred thirteen million, seven hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 1249 2498 4139 8278 13739 27478 45529 91058 5169611 10339222 56865721 113731442