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113687741 = 426126681
BaseRepresentation
bin1101100011010…
…11110010111101
321220220221021002
412301223302331
5213101001431
615140420045
72550221066
oct661536275
9256827232
10113687741
11591a0312
12320a7625
131a726a6b
141115556d
159eaa3cb
hex6c6bcbd

113687741 has 4 divisors (see below), whose sum is σ = 113718684. Its totient is φ = 113656800.

The previous prime is 113687731. The next prime is 113687767. The reversal of 113687741 is 147786311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46922500 + 66765241 = 6850^2 + 8171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113687741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 113687695 and 113687704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113687701) 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 3 ways as a sum of consecutive naturals, for example, 9080 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (28429671).

Almost surely, 2113687741 is an apocalyptic number.

It is an amenable number.

113687741 is a deficient number, since it is larger than the sum of its proper divisors (30943).

113687741 is an equidigital number, since it uses as much as digits as its factorization.

113687741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30942.

The product of its digits is 28224, while the sum is 38.

The square root of 113687741 is about 10662.4453574215. The cubic root of 113687741 is about 484.4376391888.

The spelling of 113687741 in words is "one hundred thirteen million, six hundred eighty-seven thousand, seven hundred forty-one".

Divisors: 1 4261 26681 113687741