Base | Representation |
---|---|
bin | 1110111100001… |
… | …01000110100001 |
3 | 22201211012120200 |
4 | 13132011012201 |
5 | 224040410404 |
6 | 20234055413 |
7 | 3051152064 |
oct | 736050641 |
9 | 281735520 |
10 | 125325729 |
11 | 6481a091 |
12 | 35b7a569 |
13 | 1cc70049 |
14 | 129048db |
15 | b008839 |
hex | 77851a1 |
125325729 has 24 divisors (see below), whose sum is σ = 191168640. Its totient is φ = 78897888.
The previous prime is 125325713. The next prime is 125325737. The reversal of 125325729 is 927523521.
It is not a de Polignac number, because 125325729 - 24 = 125325713 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 125325693 and 125325702.
It is not an unprimeable number, because it can be changed into a prime (125325709) 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, 61759 + ... + 63755.
It is an arithmetic number, because the mean of its divisors is an integer number (7965360).
Almost surely, 2125325729 is an apocalyptic number.
125325729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
125325729 is a deficient number, since it is larger than the sum of its proper divisors (65842911).
125325729 is a wasteful number, since it uses less digits than its factorization.
125325729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2389 (or 2386 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 125325729 is about 11194.8974537510. The cubic root of 125325729 is about 500.4339286363.
The spelling of 125325729 in words is "one hundred twenty-five million, three hundred twenty-five thousand, seven hundred twenty-nine".
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