Base | Representation |
---|---|
bin | 1110110010011… |
… | …11011101010100 |
3 | 22122102202210120 |
4 | 13121033131110 |
5 | 223224314203 |
6 | 20150551540 |
7 | 3034320315 |
oct | 731173524 |
9 | 278382716 |
10 | 124057428 |
11 | 64033200 |
12 | 356685b0 |
13 | 1c917981 |
14 | 1269460c |
15 | ad57b53 |
hex | 764f754 |
124057428 has 36 divisors (see below), whose sum is σ = 318178560. Its totient is φ = 37592720.
The previous prime is 124057421. The next prime is 124057433. The reversal of 124057428 is 824750421.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124057421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41268 + ... + 44171.
Almost surely, 2124057428 is an apocalyptic number.
It is an amenable number.
124057428 is an abundant number, since it is smaller than the sum of its proper divisors (194121132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124057428 is a wasteful number, since it uses less digits than its factorization.
124057428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85468 (or 85455 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 33.
The square root of 124057428 is about 11138.1070204950. The cubic root of 124057428 is about 498.7400651283.
The spelling of 124057428 in words is "one hundred twenty-four million, fifty-seven thousand, four hundred twenty-eight".
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