Base | Representation |
---|---|
bin | 1101101011111… |
… | …0010000111110 |
3 | 11000000100022221 |
4 | 3122332100332 |
5 | 104143334210 |
6 | 5410155554 |
7 | 1264625011 |
oct | 332762076 |
9 | 130010287 |
10 | 57402430 |
11 | 2a447328 |
12 | 17282bba |
13 | bb7a847 |
14 | 78a3378 |
15 | 508d1da |
hex | 36be43e |
57402430 has 16 divisors (see below), whose sum is σ = 103791744. Its totient is φ = 22857120.
The previous prime is 57402391. The next prime is 57402437. The reversal of 57402430 is 3420475.
It is a junction number, because it is equal to n+sod(n) for n = 57402395 and 57402404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57402437) 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, 10641 + ... + 15100.
It is an arithmetic number, because the mean of its divisors is an integer number (6486984).
Almost surely, 257402430 is an apocalyptic number.
57402430 is a deficient number, since it is larger than the sum of its proper divisors (46389314).
57402430 is a wasteful number, since it uses less digits than its factorization.
57402430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25971.
The product of its (nonzero) digits is 3360, while the sum is 25.
The square root of 57402430 is about 7576.4391372201. The cubic root of 57402430 is about 385.7536930800.
The spelling of 57402430 in words is "fifty-seven million, four hundred two thousand, four hundred thirty".
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