Base | Representation |
---|---|
bin | 1010101001001010… |
… | …1110001000010000 |
3 | 21101010000101012120 |
4 | 2222102232020100 |
5 | 21322400044011 |
6 | 1151300054240 |
7 | 130541250636 |
oct | 25222561020 |
9 | 7333011176 |
10 | 2857034256 |
11 | 12367a313a |
12 | 678994380 |
13 | 366ba931b |
14 | 1d162d356 |
15 | 11ac53a06 |
hex | aa4ae210 |
2857034256 has 80 divisors (see below), whose sum is σ = 7777924800. Its totient is φ = 901200384.
The previous prime is 2857034239. The next prime is 2857034281. The reversal of 2857034256 is 6524307582.
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, 1521190 + ... + 1523066.
It is an arithmetic number, because the mean of its divisors is an integer number (97224060).
Almost surely, 22857034256 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 2857034256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888962400).
2857034256 is an abundant number, since it is smaller than the sum of its proper divisors (4920890544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2857034256 is a wasteful number, since it uses less digits than its factorization.
2857034256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3576 (or 3570 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 42.
The square root of 2857034256 is about 53451.2325021603. The cubic root of 2857034256 is about 1418.9654330336.
It can be divided in two parts, 28570 and 34256, that added together give a palindrome (62826).
The spelling of 2857034256 in words is "two billion, eight hundred fifty-seven million, thirty-four thousand, two hundred fifty-six".
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