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122825928 = 2335117747
BaseRepresentation
bin1110101001000…
…10110011001000
322120010012111110
413110202303020
5222420412203
620104330320
73021001041
oct724426310
9276105443
10122825928
1163371a35
12351739a0
131c5a6284
14124538c8
15abb2d03
hex7522cc8

122825928 has 16 divisors (see below), whose sum is σ = 307064880. Its totient is φ = 40941968.

The previous prime is 122825921. The next prime is 122825929. The reversal of 122825928 is 829528221.

It is a super-2 number, since 2×1228259282 = 30172417178122368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122825921) 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, 2558850 + ... + 2558897.

It is an arithmetic number, because the mean of its divisors is an integer number (19191555).

Almost surely, 2122825928 is an apocalyptic number.

It is an amenable number.

122825928 is an abundant number, since it is smaller than the sum of its proper divisors (184238952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122825928 is a wasteful number, since it uses less digits than its factorization.

122825928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117756 (or 5117752 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 122825928 is about 11082.6859560307. The cubic root of 122825928 is about 497.0842673908.

It can be divided in two parts, 122825 and 928, that added together give a triangular number (123753 = T497).

The spelling of 122825928 in words is "one hundred twenty-two million, eight hundred twenty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 5117747 10235494 15353241 20470988 30706482 40941976 61412964 122825928