Base | Representation |
---|---|
bin | 11110001001100… |
… | …00001001010100 |
3 | 122121212212002120 |
4 | 33010300021110 |
5 | 1004220412040 |
6 | 41032335540 |
7 | 6160435335 |
oct | 1704601124 |
9 | 577785076 |
10 | 252904020 |
11 | 11a837596 |
12 | 708445b0 |
13 | 4051b465 |
14 | 2583428c |
15 | 173097d0 |
hex | f130254 |
252904020 has 48 divisors (see below), whose sum is σ = 708973440. Its totient is φ = 67360896.
The previous prime is 252904013. The next prime is 252904033. The reversal of 252904020 is 20409252.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62169 + ... + 66111.
It is an arithmetic number, because the mean of its divisors is an integer number (14770280).
Almost surely, 2252904020 is an apocalyptic number.
252904020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252904020 is an abundant number, since it is smaller than the sum of its proper divisors (456069420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252904020 is a wasteful number, since it uses less digits than its factorization.
252904020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5024 (or 5022 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 252904020 is about 15902.9563289346. The cubic root of 252904020 is about 632.3903646413.
The spelling of 252904020 in words is "two hundred fifty-two million, nine hundred four thousand, twenty".
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