Base | Representation |
---|---|
bin | 1101110001011… |
… | …0110001101010 |
3 | 11000200202122100 |
4 | 3130112301222 |
5 | 104241434340 |
6 | 5422034230 |
7 | 1300664664 |
oct | 334266152 |
9 | 130622570 |
10 | 57764970 |
11 | 2a67474a |
12 | 17418976 |
13 | bc76873 |
14 | 7959534 |
15 | 5110830 |
hex | 3716c6a |
57764970 has 24 divisors (see below), whose sum is σ = 150189156. Its totient is φ = 15403968.
The previous prime is 57764969. The next prime is 57764981. The reversal of 57764970 is 7946775.
57764970 is a `hidden beast` number, since 577 + 6 + 4 + 9 + 70 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 49829481 + 7935489 = 7059^2 + 2817^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320827 + ... + 321006.
Almost surely, 257764970 is an apocalyptic number.
57764970 is an abundant number, since it is smaller than the sum of its proper divisors (92424186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57764970 is a wasteful number, since it uses less digits than its factorization.
57764970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 641846 (or 641843 counting only the distinct ones).
The product of its (nonzero) digits is 370440, while the sum is 45.
The square root of 57764970 is about 7600.3269666508. The cubic root of 57764970 is about 386.5640986703.
The spelling of 57764970 in words is "fifty-seven million, seven hundred sixty-four thousand, nine hundred seventy".
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