Base | Representation |
---|---|
bin | 11110000010110… |
… | …10011110000110 |
3 | 122120020101112020 |
4 | 33001122132012 |
5 | 1004004410211 |
6 | 41001504010 |
7 | 6150131601 |
oct | 1701323606 |
9 | 576211466 |
10 | 252028806 |
11 | 11a299a77 |
12 | 704a2006 |
13 | 402a2c93 |
14 | 25687338 |
15 | 171d5306 |
hex | f05a786 |
252028806 has 16 divisors (see below), whose sum is σ = 530587200. Its totient is φ = 79588008.
The previous prime is 252028783. The next prime is 252028813. The reversal of 252028806 is 608820252.
252028806 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105276 + ... + 1105503.
It is an arithmetic number, because the mean of its divisors is an integer number (33161700).
Almost surely, 2252028806 is an apocalyptic number.
252028806 is an abundant number, since it is smaller than the sum of its proper divisors (278558394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252028806 is a wasteful number, since it uses less digits than its factorization.
252028806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2210803.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 252028806 is about 15875.4151441781. The cubic root of 252028806 is about 631.6600261839.
The spelling of 252028806 in words is "two hundred fifty-two million, twenty-eight thousand, eight hundred six".
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