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113972247 = 3237595801
BaseRepresentation
bin1101100101100…
…01010000010111
321221110101112100
412302301100113
5213134102442
615150453143
72552514414
oct662612027
9257411470
10113972247
1159375044
12322041b3
131a7c63cc
14111cb10b
15a01484c
hex6cb1417

113972247 has 24 divisors (see below), whose sum is σ = 171971280. Its totient is φ = 72662400.

The previous prime is 113972239. The next prime is 113972249. The reversal of 113972247 is 742279311.

It is not a de Polignac number, because 113972247 - 23 = 113972239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113972249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16747 + ... + 22547.

It is an arithmetic number, because the mean of its divisors is an integer number (7165470).

Almost surely, 2113972247 is an apocalyptic number.

113972247 is a deficient number, since it is larger than the sum of its proper divisors (57999033).

113972247 is a wasteful number, since it uses less digits than its factorization.

113972247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903 (or 5900 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 113972247 is about 10675.7785196209. The cubic root of 113972247 is about 484.8414077423.

The spelling of 113972247 in words is "one hundred thirteen million, nine hundred seventy-two thousand, two hundred forty-seven".

Divisors: 1 3 9 37 59 111 177 333 531 2183 5801 6549 17403 19647 52209 214637 342259 643911 1026777 1931733 3080331 12663583 37990749 113972247