Base | Representation |
---|---|
bin | 11110000101010… |
… | …01010101010100 |
3 | 122120211210122000 |
4 | 33002221111110 |
5 | 1004100224303 |
6 | 41012435300 |
7 | 6152645421 |
oct | 1702512524 |
9 | 576753560 |
10 | 252351828 |
11 | 11a49a733 |
12 | 70618b30 |
13 | 40387011 |
14 | 2572cd48 |
15 | 1724ada3 |
hex | f0a9554 |
252351828 has 48 divisors (see below), whose sum is σ = 655186560. Its totient is φ = 83996352.
The previous prime is 252351809. The next prime is 252351839. The reversal of 252351828 is 828153252.
252351828 is a `hidden beast` number, since 2 + 523 + 51 + 82 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 252351792 and 252351801.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104976 + ... + 107352.
It is an arithmetic number, because the mean of its divisors is an integer number (13649720).
Almost surely, 2252351828 is an apocalyptic number.
It is an amenable number.
252351828 is an abundant number, since it is smaller than the sum of its proper divisors (402834732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252351828 is a wasteful number, since it uses less digits than its factorization.
252351828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3373 (or 3365 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 252351828 is about 15885.5855416160. The cubic root of 252351828 is about 631.9297744168.
The spelling of 252351828 in words is "two hundred fifty-two million, three hundred fifty-one thousand, eight hundred twenty-eight".
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