Base | Representation |
---|---|
bin | 1101101100101… |
… | …1011100101110 |
3 | 11000010002101221 |
4 | 3123023130232 |
5 | 104202101210 |
6 | 5411253554 |
7 | 1265241313 |
oct | 333133456 |
9 | 130102357 |
10 | 57456430 |
11 | 2a483959 |
12 | 172aa2ba |
13 | bb992b5 |
14 | 78b8d0a |
15 | 509e1da |
hex | 36cb72e |
57456430 has 32 divisors (see below), whose sum is σ = 110349216. Its totient is φ = 21464064.
The previous prime is 57456397. The next prime is 57456431. The reversal of 57456430 is 3465475.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57456431) 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, 22057 + ... + 24523.
It is an arithmetic number, because the mean of its divisors is an integer number (3448413).
Almost surely, 257456430 is an apocalyptic number.
57456430 is a deficient number, since it is larger than the sum of its proper divisors (52892786).
57456430 is a wasteful number, since it uses less digits than its factorization.
57456430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2628.
The product of its (nonzero) digits is 50400, while the sum is 34.
The square root of 57456430 is about 7580.0019788916. The cubic root of 57456430 is about 385.8746181049.
The spelling of 57456430 in words is "fifty-seven million, four hundred fifty-six thousand, four hundred thirty".
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