Base | Representation |
---|---|
bin | 1101110011100… |
… | …0110001100110 |
3 | 11000221211200010 |
4 | 3130320301212 |
5 | 104310413410 |
6 | 5425031050 |
7 | 1302114666 |
oct | 334706146 |
9 | 130854603 |
10 | 57904230 |
11 | 2a75a33a |
12 | 17485486 |
13 | bcc5077 |
14 | 79941a6 |
15 | 513bc20 |
hex | 3738c66 |
57904230 has 32 divisors (see below), whose sum is σ = 142205184. Its totient is φ = 15081696.
The previous prime is 57904211. The next prime is 57904241. The reversal of 57904230 is 3240975.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21154 + ... + 23733.
It is an arithmetic number, because the mean of its divisors is an integer number (4443912).
Almost surely, 257904230 is an apocalyptic number.
57904230 is an abundant number, since it is smaller than the sum of its proper divisors (84300954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57904230 is a wasteful number, since it uses less digits than its factorization.
57904230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44940.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 57904230 is about 7609.4828996457. The cubic root of 57904230 is about 386.8744927496.
The spelling of 57904230 in words is "fifty-seven million, nine hundred four thousand, two hundred thirty".
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