Base | Representation |
---|---|
bin | 1110111001001… |
… | …00001000011100 |
3 | 22201002000201222 |
4 | 13130210020130 |
5 | 223440203130 |
6 | 20221352512 |
7 | 3044606102 |
oct | 734441034 |
9 | 281060658 |
10 | 124928540 |
11 | 64578730 |
12 | 35a08738 |
13 | 1cb61319 |
14 | 1283dc72 |
15 | ae7ace5 |
hex | 772421c |
124928540 has 24 divisors (see below), whose sum is σ = 286200432. Its totient is φ = 45428480.
The previous prime is 124928537. The next prime is 124928569. The reversal of 124928540 is 45829421.
It is a self number, because there is not a number n which added to its sum of digits gives 124928540.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283709 + ... + 284148.
It is an arithmetic number, because the mean of its divisors is an integer number (11925018).
Almost surely, 2124928540 is an apocalyptic number.
124928540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
124928540 is an abundant number, since it is smaller than the sum of its proper divisors (161271892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124928540 is a wasteful number, since it uses less digits than its factorization.
124928540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 567877 (or 567875 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 124928540 is about 11177.1436422728. The cubic root of 124928540 is about 499.9047018377.
The spelling of 124928540 in words is "one hundred twenty-four million, nine hundred twenty-eight thousand, five hundred forty".
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