Search a number
-
+
113887423 = 138760571
BaseRepresentation
bin1101100100111…
…00100010111111
321221022002011201
412302130202333
5213123344143
615145000331
72552012206
oct662344277
9257262151
10113887423
1159317341
12321830a7
131a796910
14111a823d
159ee964d
hex6c9c8bf

113887423 has 4 divisors (see below), whose sum is σ = 122648008. Its totient is φ = 105126840.

The previous prime is 113887399. The next prime is 113887441. The reversal of 113887423 is 324788311.

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

It is not a de Polignac number, because 113887423 - 25 = 113887391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113887493) 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, 4380273 + ... + 4380298.

It is an arithmetic number, because the mean of its divisors is an integer number (30662002).

Almost surely, 2113887423 is an apocalyptic number.

113887423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113887423 is a deficient number, since it is larger than the sum of its proper divisors (8760585).

113887423 is an equidigital number, since it uses as much as digits as its factorization.

113887423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760584.

The product of its digits is 32256, while the sum is 37.

The square root of 113887423 is about 10671.8050488191. The cubic root of 113887423 is about 484.7210965975.

The spelling of 113887423 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, four hundred twenty-three".

Divisors: 1 13 8760571 113887423