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113638774 = 256819387
BaseRepresentation
bin1101100010111…
…11110101110110
321220211110002111
412301133311312
5213042420044
615135401234
72546625244
oct661376566
9256743074
10113638774
1159167547
123208321a
131a70a6a2
1411141794
159e9ab34
hex6c5fd76

113638774 has 4 divisors (see below), whose sum is σ = 170458164. Its totient is φ = 56819386.

The previous prime is 113638741. The next prime is 113638783. The reversal of 113638774 is 477836311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477836311 = 1375934729.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28409692 + ... + 28409695.

It is an arithmetic number, because the mean of its divisors is an integer number (42614541).

Almost surely, 2113638774 is an apocalyptic number.

113638774 is a deficient number, since it is larger than the sum of its proper divisors (56819390).

113638774 is an equidigital number, since it uses as much as digits as its factorization.

113638774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56819389.

The product of its digits is 84672, while the sum is 40.

The square root of 113638774 is about 10660.1488732569. The cubic root of 113638774 is about 484.3680777034.

The spelling of 113638774 in words is "one hundred thirteen million, six hundred thirty-eight thousand, seven hundred seventy-four".

Divisors: 1 2 56819387 113638774