Base | Representation |
---|---|
bin | 100010000111111… |
… | …000010001101000 |
3 | 1110220020112211001 |
4 | 202013320101220 |
5 | 2133024201411 |
6 | 132450244344 |
7 | 20121043360 |
oct | 4207702150 |
9 | 1426215731 |
10 | 572490856 |
11 | 274179943 |
12 | 13b8866b4 |
13 | 917b65b2 |
14 | 560659a0 |
15 | 353d6dc1 |
hex | 221f8468 |
572490856 has 64 divisors (see below), whose sum is σ = 1290096000. Its totient is φ = 232968960.
The previous prime is 572490851. The next prime is 572490859. The reversal of 572490856 is 658094275.
It is a super-2 number, since 2×5724908562 = 655491560407225472, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (572490851) 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, 96175 + ... + 101953.
It is an arithmetic number, because the mean of its divisors is an integer number (20157750).
Almost surely, 2572490856 is an apocalyptic number.
572490856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 572490856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645048000).
572490856 is an abundant number, since it is smaller than the sum of its proper divisors (717605144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572490856 is a wasteful number, since it uses less digits than its factorization.
572490856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5882 (or 5878 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 46.
The square root of 572490856 is about 23926.7811458207. The cubic root of 572490856 is about 830.3404303418.
It can be divided in two parts, 5724 and 90856, that added together give a triangular number (96580 = T439).
The spelling of 572490856 in words is "five hundred seventy-two million, four hundred ninety thousand, eight hundred fifty-six".
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