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113401861 = 1929277743
BaseRepresentation
bin1101100001001…
…10000000000101
321220101102002221
412300212000011
5213012324421
615130332341
72544620446
oct660460005
9256342087
10113401861
1159015551
1231b8a0b1
131a6568c1
14110bd2cd
159e50841
hex6c26005

113401861 has 16 divisors (see below), whose sum is σ = 124099200. Its totient is φ = 103215168.

The previous prime is 113401831. The next prime is 113401889. The reversal of 113401861 is 168104311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113401861 - 27 = 113401733 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 (113401801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152256 + ... + 152998.

It is an arithmetic number, because the mean of its divisors is an integer number (7756200).

Almost surely, 2113401861 is an apocalyptic number.

It is an amenable number.

113401861 is a deficient number, since it is larger than the sum of its proper divisors (10697339).

113401861 is a wasteful number, since it uses less digits than its factorization.

113401861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 113401861 is about 10649.0309887802. The cubic root of 113401861 is about 484.0312415801.

The spelling of 113401861 in words is "one hundred thirteen million, four hundred one thousand, eight hundred sixty-one".

Divisors: 1 19 29 277 551 743 5263 8033 14117 21547 152627 205811 409393 3910409 5968519 113401861