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125152072 = 2315644009
BaseRepresentation
bin1110111010110…
…10101101001000
322201111101100221
413131122231020
5224014331242
620230235424
73046526563
oct735325510
9281441327
10125152072
1164710671
1235ab5b74
131cc0bca6
141289b4da
15aec2167
hex775ab48

125152072 has 8 divisors (see below), whose sum is σ = 234660150. Its totient is φ = 62576032.

The previous prime is 125152063. The next prime is 125152073. The reversal of 125152072 is 270251521.

It can be written as a sum of positive squares in only one way, i.e., 73513476 + 51638596 = 8574^2 + 7186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1251520722 = 31326082251786368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125152073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7821997 + ... + 7822012.

Almost surely, 2125152072 is an apocalyptic number.

It is an amenable number.

125152072 is a deficient number, since it is larger than the sum of its proper divisors (109508078).

125152072 is a wasteful number, since it uses less digits than its factorization.

125152072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15644015 (or 15644011 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125152072 is about 11187.1386869029. The cubic root of 125152072 is about 500.2026804968.

The spelling of 125152072 in words is "one hundred twenty-five million, one hundred fifty-two thousand, seventy-two".

Divisors: 1 2 4 8 15644009 31288018 62576036 125152072