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115065172 = 22229125617
BaseRepresentation
bin1101101101111…
…00000101010100
322000111220202001
412312330011110
5213424041142
615230125044
72565015655
oct666740524
9260456661
10115065172
1159a51192
1232650784
131aab9a01
14113d352c
15a17d5b7
hex6dbc154

115065172 has 12 divisors (see below), whose sum is σ = 202244980. Its totient is φ = 57280896.

The previous prime is 115065169. The next prime is 115065179. The reversal of 115065172 is 271560511.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 57820816 = 7566^2 + 7604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115065172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115065179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61893 + ... + 63724.

Almost surely, 2115065172 is an apocalyptic number.

It is an amenable number.

115065172 is a deficient number, since it is larger than the sum of its proper divisors (87179808).

115065172 is a wasteful number, since it uses less digits than its factorization.

115065172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125850 (or 125848 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 115065172 is about 10726.8435245416. The cubic root of 115065172 is about 486.3862588905.

The spelling of 115065172 in words is "one hundred fifteen million, sixty-five thousand, one hundred seventy-two".

Divisors: 1 2 4 229 458 916 125617 251234 502468 28766293 57532586 115065172