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113712403 = 716244629
BaseRepresentation
bin1101100011100…
…01110100010011
321220222012002111
412301301310103
5213102244103
615141130151
72550353020
oct661616423
9256865074
10113712403
11592078a2
12320b9957
131a73505c
1411160547
159eb286d
hex6c71d13

113712403 has 4 divisors (see below), whose sum is σ = 129957040. Its totient is φ = 97467768.

The previous prime is 113712373. The next prime is 113712449. The reversal of 113712403 is 304217311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304217311 = 602950459.

It is a cyclic number.

It is not a de Polignac number, because 113712403 - 29 = 113711891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113712463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8122308 + ... + 8122321.

It is an arithmetic number, because the mean of its divisors is an integer number (32489260).

Almost surely, 2113712403 is an apocalyptic number.

113712403 is a deficient number, since it is larger than the sum of its proper divisors (16244637).

113712403 is an equidigital number, since it uses as much as digits as its factorization.

113712403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16244636.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 113712403 is about 10663.6017836376. The cubic root of 113712403 is about 484.4726659418.

Adding to 113712403 its reverse (304217311), we get a palindrome (417929714).

The spelling of 113712403 in words is "one hundred thirteen million, seven hundred twelve thousand, four hundred three".

Divisors: 1 7 16244629 113712403