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113888451 = 3193164453
BaseRepresentation
bin1101100100111…
…00110011000011
321221022010120210
412302130303003
5213123412301
615145005203
72552015205
oct662346303
9257263523
10113888451
1159318096
1232183803
131a797221
14111a8775
159ee9ad6
hex6c9ccc3

113888451 has 16 divisors (see below), whose sum is σ = 165002240. Its totient is φ = 69608160.

The previous prime is 113888443. The next prime is 113888459. The reversal of 113888451 is 154888311.

It is an interprime number because it is at equal distance from previous prime (113888443) and next prime (113888459).

It is not a de Polignac number, because 113888451 - 23 = 113888443 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113888459) 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, 30460 + ... + 33993.

It is an arithmetic number, because the mean of its divisors is an integer number (10312640).

Almost surely, 2113888451 is an apocalyptic number.

113888451 is a deficient number, since it is larger than the sum of its proper divisors (51113789).

113888451 is a wasteful number, since it uses less digits than its factorization.

113888451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64506.

The product of its digits is 30720, while the sum is 39.

The square root of 113888451 is about 10671.8532130085. The cubic root of 113888451 is about 484.7225550313.

The spelling of 113888451 in words is "one hundred thirteen million, eight hundred eighty-eight thousand, four hundred fifty-one".

Divisors: 1 3 19 31 57 93 589 1767 64453 193359 1224607 1998043 3673821 5994129 37962817 113888451