Base | Representation |
---|---|
bin | 1101101011110… |
… | …0011100110000 |
3 | 10222222222010110 |
4 | 3122330130300 |
5 | 104143114432 |
6 | 5410101320 |
7 | 1264564224 |
oct | 332743460 |
9 | 128888113 |
10 | 57394992 |
11 | 2a441786 |
12 | 1727a840 |
13 | bb77345 |
14 | 78a0784 |
15 | 508adcc |
hex | 36bc730 |
57394992 has 80 divisors (see below), whose sum is σ = 161320032. Its totient is φ = 17510400.
The previous prime is 57394969. The next prime is 57395003. The reversal of 57394992 is 29949375.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 29242 + ... + 31142.
Almost surely, 257394992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57394992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80660016).
57394992 is an abundant number, since it is smaller than the sum of its proper divisors (103925040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57394992 is a wasteful number, since it uses less digits than its factorization.
57394992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1966 (or 1960 counting only the distinct ones).
The product of its digits is 612360, while the sum is 48.
The square root of 57394992 is about 7575.9482574791. The cubic root of 57394992 is about 385.7370308359.
It can be divided in two parts, 5739 and 4992, that added together give a triangular number (10731 = T146).
The spelling of 57394992 in words is "fifty-seven million, three hundred ninety-four thousand, nine hundred ninety-two".
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