Base | Representation |
---|---|
bin | 1101110000011… |
… | …1101000111100 |
3 | 11000120121121010 |
4 | 3130013220330 |
5 | 104232443342 |
6 | 5420435220 |
7 | 1300316145 |
oct | 334075074 |
9 | 130517533 |
10 | 57702972 |
11 | 2a632108 |
12 | 173a8b10 |
13 | bc54592 |
14 | 7940acc |
15 | 50ec29c |
hex | 3707a3c |
57702972 has 48 divisors (see below), whose sum is σ = 137803680. Its totient is φ = 18788352.
The previous prime is 57702971. The next prime is 57702973. The reversal of 57702972 is 27920775.
It is an interprime number because it is at equal distance from previous prime (57702971) and next prime (57702973).
It is a self number, because there is not a number n which added to its sum of digits gives 57702972.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57702971) 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, 103318 + ... + 103874.
It is an arithmetic number, because the mean of its divisors is an integer number (2870910).
Almost surely, 257702972 is an apocalyptic number.
It is an amenable number.
57702972 is an abundant number, since it is smaller than the sum of its proper divisors (80100708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57702972 is a wasteful number, since it uses less digits than its factorization.
57702972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750 (or 748 counting only the distinct ones).
The product of its (nonzero) digits is 61740, while the sum is 39.
The square root of 57702972 is about 7596.2472313637. The cubic root of 57702972 is about 386.4257519626.
The spelling of 57702972 in words is "fifty-seven million, seven hundred two thousand, nine hundred seventy-two".
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