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113425231 = 1916735747
BaseRepresentation
bin1101100001010…
…11101101001111
321220102121011111
412300223231033
5213014101411
615131032451
72545045543
oct660535517
9256377144
10113425231
1159031067
1231b9b727
131a66442a
14110c7a23
159e57721
hex6c2bb4f

113425231 has 8 divisors (see below), whose sum is σ = 120113280. Its totient is φ = 106809048.

The previous prime is 113425217. The next prime is 113425267. The reversal of 113425231 is 132524311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113425231 - 213 = 113417039 is a prime.

It is a super-2 number, since 2×1134252312 = 25730566054806722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113425211) 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, 14701 + ... + 21046.

It is an arithmetic number, because the mean of its divisors is an integer number (15014160).

Almost surely, 2113425231 is an apocalyptic number.

113425231 is a deficient number, since it is larger than the sum of its proper divisors (6688049).

113425231 is a wasteful number, since it uses less digits than its factorization.

113425231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933.

The product of its digits is 720, while the sum is 22.

The square root of 113425231 is about 10650.1282151907. The cubic root of 113425231 is about 484.0644892213.

Adding to 113425231 its reverse (132524311), we get a palindrome (245949542).

The spelling of 113425231 in words is "one hundred thirteen million, four hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 19 167 3173 35747 679193 5969749 113425231