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113838860 = 2255691943
BaseRepresentation
bin1101100100100…
…00101100001100
321221012121120002
412302100230030
5213120320420
615143543432
72551420502
oct662205414
9257177502
10113838860
1159293903
123215ab78
131a77a795
1411194672
159eda075
hex6c90b0c

113838860 has 12 divisors (see below), whose sum is σ = 239061648. Its totient is φ = 45535536.

The previous prime is 113838853. The next prime is 113838883. The reversal of 113838860 is 68838311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845952 + ... + 2845991.

It is an arithmetic number, because the mean of its divisors is an integer number (19921804).

Almost surely, 2113838860 is an apocalyptic number.

113838860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113838860 is an abundant number, since it is smaller than the sum of its proper divisors (125222788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113838860 is a wasteful number, since it uses less digits than its factorization.

113838860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691952 (or 5691950 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 113838860 is about 10669.5295116514. The cubic root of 113838860 is about 484.6521897869.

The spelling of 113838860 in words is "one hundred thirteen million, eight hundred thirty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5691943 11383886 22767772 28459715 56919430 113838860