Base | Representation |
---|---|
bin | 1101101010010… |
… | …1110110011110 |
3 | 10222211021011020 |
4 | 3122211312132 |
5 | 104132134210 |
6 | 5404105010 |
7 | 1264030323 |
oct | 332456636 |
9 | 128737136 |
10 | 57302430 |
11 | 2a389189 |
12 | 17235166 |
13 | bb44183 |
14 | 7878b4a |
15 | 506d770 |
hex | 36a5d9e |
57302430 has 32 divisors (see below), whose sum is σ = 143506944. Its totient is φ = 14616096.
The previous prime is 57302429. The next prime is 57302437. The reversal of 57302430 is 3420375.
It is a self number, because there is not a number n which added to its sum of digits gives 57302430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57302437) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40834 + ... + 42213.
It is an arithmetic number, because the mean of its divisors is an integer number (4484592).
Almost surely, 257302430 is an apocalyptic number.
57302430 is an abundant number, since it is smaller than the sum of its proper divisors (86204514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57302430 is a wasteful number, since it uses less digits than its factorization.
57302430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83080.
The product of its (nonzero) digits is 2520, while the sum is 24.
The square root of 57302430 is about 7569.8368542525. The cubic root of 57302430 is about 385.5295574377.
The spelling of 57302430 in words is "fifty-seven million, three hundred two thousand, four hundred thirty".
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