Base | Representation |
---|---|
bin | 11110000110110… |
… | …11100101010100 |
3 | 122121020020222010 |
4 | 33003123211110 |
5 | 1004123321102 |
6 | 41021104220 |
7 | 6154463454 |
oct | 1703334524 |
9 | 577206863 |
10 | 252557652 |
11 | 11a620336 |
12 | 706b8070 |
13 | 404298c9 |
14 | 25783d64 |
15 | 1728bd6c |
hex | f0db954 |
252557652 has 48 divisors (see below), whose sum is σ = 621552960. Its totient is φ = 79596288.
The previous prime is 252557611. The next prime is 252557653. The reversal of 252557652 is 256755252.
It is a self number, because there is not a number n which added to its sum of digits gives 252557652.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252557653) 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, 175528 + ... + 176960.
It is an arithmetic number, because the mean of its divisors is an integer number (12949020).
Almost surely, 2252557652 is an apocalyptic number.
It is an amenable number.
252557652 is an abundant number, since it is smaller than the sum of its proper divisors (368995308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252557652 is a wasteful number, since it uses less digits than its factorization.
252557652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2232 (or 2230 counting only the distinct ones).
The product of its digits is 210000, while the sum is 39.
The square root of 252557652 is about 15892.0625470705. The cubic root of 252557652 is about 632.1015332521.
It can be divided in two parts, 2525576 and 52, that added together give a triangular number (2525628 = T2247).
The spelling of 252557652 in words is "two hundred fifty-two million, five hundred fifty-seven thousand, six hundred fifty-two".
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