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113420103 = 331239341
BaseRepresentation
bin1101100001010…
…10011101000111
321220102100010120
412300222131013
5213013420403
615130553023
72545024566
oct660523507
9256370116
10113420103
1159028225
1231b98773
131a661cb4
14110c5bdd
159e55e53
hex6c2a747

113420103 has 12 divisors (see below), whose sum is σ = 156266424. Its totient is φ = 73172400.

The previous prime is 113420057. The next prime is 113420161. The reversal of 113420103 is 301024311.

It is not a de Polignac number, because 113420103 - 212 = 113416007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113420003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16788 + ... + 22553.

It is an arithmetic number, because the mean of its divisors is an integer number (13022202).

Almost surely, 2113420103 is an apocalyptic number.

113420103 is a deficient number, since it is larger than the sum of its proper divisors (42846321).

113420103 is an equidigital number, since it uses as much as digits as its factorization.

113420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39406 (or 39375 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113420103 is about 10649.8874641942. The cubic root of 113420103 is about 484.0571941950.

Adding to 113420103 its reverse (301024311), we get a palindrome (414444414).

The spelling of 113420103 in words is "one hundred thirteen million, four hundred twenty thousand, one hundred three".

Divisors: 1 3 31 93 961 2883 39341 118023 1219571 3658713 37806701 113420103