Base | Representation |
---|---|
bin | 1101110100100… |
… | …0101111010100 |
3 | 11001002011100222 |
4 | 3131020233110 |
5 | 104320011440 |
6 | 5430253512 |
7 | 1302506432 |
oct | 335105724 |
9 | 131064328 |
10 | 57969620 |
11 | 2a7a4485 |
12 | 174b7298 |
13 | c018a67 |
14 | 79add52 |
15 | 51512b5 |
hex | 3748bd4 |
57969620 has 12 divisors (see below), whose sum is σ = 121736244. Its totient is φ = 23187840.
The previous prime is 57969619. The next prime is 57969623. The reversal of 57969620 is 2696975.
It can be written as a sum of positive squares in 2 ways, for example, as 16418704 + 41550916 = 4052^2 + 6446^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57969623) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449221 + ... + 1449260.
It is an arithmetic number, because the mean of its divisors is an integer number (10144687).
Almost surely, 257969620 is an apocalyptic number.
It is an amenable number.
57969620 is an abundant number, since it is smaller than the sum of its proper divisors (63766624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57969620 is a wasteful number, since it uses less digits than its factorization.
57969620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2898490 (or 2898488 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 44.
The square root of 57969620 is about 7613.7782998982. The cubic root of 57969620 is about 387.0200676429.
The spelling of 57969620 in words is "fifty-seven million, nine hundred sixty-nine thousand, six hundred twenty".
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