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113874421 = 919912379
BaseRepresentation
bin1101100100110…
…01010111110101
321221021102100011
412302121113311
5213122440141
615144420221
72551626253
oct662312765
9257242304
10113874421
11593085a1
1232177671
131a790a1b
14111a35d3
159ee5881
hex6c995f5

113874421 has 4 divisors (see below), whose sum is σ = 113896000. Its totient is φ = 113852844.

The previous prime is 113874413. The next prime is 113874427. The reversal of 113874421 is 124478311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124478311 = 1046311897.

It is a cyclic number.

It is not a de Polignac number, because 113874421 - 23 = 113874413 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 (113874427) 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, 3010 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (28474000).

Almost surely, 2113874421 is an apocalyptic number.

It is an amenable number.

113874421 is a deficient number, since it is larger than the sum of its proper divisors (21579).

113874421 is an equidigital number, since it uses as much as digits as its factorization.

113874421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578.

The product of its digits is 5376, while the sum is 31.

The square root of 113874421 is about 10671.1958561353. The cubic root of 113874421 is about 484.7026497741.

The spelling of 113874421 in words is "one hundred thirteen million, eight hundred seventy-four thousand, four hundred twenty-one".

Divisors: 1 9199 12379 113874421