Base | Representation |
---|---|
bin | 1110111010010… |
… | …11110001110010 |
3 | 22201101021111102 |
4 | 13131023301302 |
5 | 224010402210 |
6 | 20225044402 |
7 | 3046153406 |
oct | 735136162 |
9 | 281337442 |
10 | 125090930 |
11 | 64679738 |
12 | 35a86702 |
13 | 1cbba203 |
14 | 12883106 |
15 | aeadea5 |
hex | 774bc72 |
125090930 has 16 divisors (see below), whose sum is σ = 238408920. Its totient is φ = 47092992.
The previous prime is 125090929. The next prime is 125090939. The reversal of 125090930 is 39090521.
It can be written as a sum of positive squares in 4 ways, for example, as 73839649 + 51251281 = 8593^2 + 7159^2 .
It is a junction number, because it is equal to n+sod(n) for n = 125090893 and 125090902.
It is not an unprimeable number, because it can be changed into a prime (125090939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367745 + ... + 368084.
Almost surely, 2125090930 is an apocalyptic number.
125090930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125090930 is a deficient number, since it is larger than the sum of its proper divisors (113317990).
125090930 is a wasteful number, since it uses less digits than its factorization.
125090930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 735853.
The product of its (nonzero) digits is 2430, while the sum is 29.
The square root of 125090930 is about 11184.4056614556. The cubic root of 125090930 is about 500.1212106136.
The spelling of 125090930 in words is "one hundred twenty-five million, ninety thousand, nine hundred thirty".
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