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113920025 = 5230714843
BaseRepresentation
bin1101100101001…
…00100000011001
321221100201220012
412302210200121
5213130420100
615145411305
72552206232
oct662444031
9257321805
10113920025
115933988a
1232199b35
131a7a86cb
14111b6089
15a004135
hex6ca4819

113920025 has 12 divisors (see below), whose sum is σ = 141730512. Its totient is φ = 90833040.

The previous prime is 113920019. The next prime is 113920049. The reversal of 113920025 is 520029311.

It is not a de Polignac number, because 113920025 - 28 = 113919769 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 254 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (11810876).

Almost surely, 2113920025 is an apocalyptic number.

It is an amenable number.

113920025 is a deficient number, since it is larger than the sum of its proper divisors (27810487).

113920025 is a wasteful number, since it uses less digits than its factorization.

113920025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 113920025 is about 10673.3324224443. The cubic root of 113920025 is about 484.7673451035.

Adding to 113920025 its reverse (520029311), we get a palindrome (633949336).

The spelling of 113920025 in words is "one hundred thirteen million, nine hundred twenty thousand, twenty-five".

Divisors: 1 5 25 307 1535 7675 14843 74215 371075 4556801 22784005 113920025