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113401189 = 1137278627
BaseRepresentation
bin1101100001001…
…01110101100101
321220101101012001
412300211311211
5213012314224
615130325301
72544615466
oct660456545
9256341161
10113401189
1159014aa0
1231b89831
131a6564c5
14110bcd6d
159e50544
hex6c25d65

113401189 has 8 divisors (see below), whose sum is σ = 127054368. Its totient is φ = 100305360.

The previous prime is 113401181. The next prime is 113401199. The reversal of 113401189 is 981104311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113401189 - 23 = 113401181 is a prime.

It is a super-2 number, since 2×1134011892 = 25719659333227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113401181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138907 + ... + 139720.

It is an arithmetic number, because the mean of its divisors is an integer number (15881796).

Almost surely, 2113401189 is an apocalyptic number.

It is an amenable number.

113401189 is a deficient number, since it is larger than the sum of its proper divisors (13653179).

113401189 is a wasteful number, since it uses less digits than its factorization.

113401189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278675.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 113401189 is about 10648.9994365668. Note that the first 3 decimals coincide. The cubic root of 113401189 is about 484.0302854828.

The spelling of 113401189 in words is "one hundred thirteen million, four hundred one thousand, one hundred eighty-nine".

Divisors: 1 11 37 407 278627 3064897 10309199 113401189