Base | Representation |
---|---|
bin | 11110001100001… |
… | …00110110100100 |
3 | 122122112111000221 |
4 | 33012010312210 |
5 | 1004313012410 |
6 | 41044014124 |
7 | 6163412023 |
oct | 1706046644 |
9 | 578474027 |
10 | 253250980 |
11 | 11aa54234 |
12 | 70991344 |
13 | 40610368 |
14 | 258c48ba |
15 | 173774da |
hex | f184da4 |
253250980 has 12 divisors (see below), whose sum is σ = 531827100. Its totient is φ = 101300384.
The previous prime is 253250947. The next prime is 253251001. The reversal of 253250980 is 89052352.
It can be written as a sum of positive squares in 2 ways, for example, as 169052004 + 84198976 = 13002^2 + 9176^2 .
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 3 ways as a sum of consecutive naturals, for example, 6331255 + ... + 6331294.
It is an arithmetic number, because the mean of its divisors is an integer number (44318925).
Almost surely, 2253250980 is an apocalyptic number.
253250980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253250980 is an abundant number, since it is smaller than the sum of its proper divisors (278576120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253250980 is a wasteful number, since it uses less digits than its factorization.
253250980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12662558 (or 12662556 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 34.
The square root of 253250980 is about 15913.8612536367. The cubic root of 253250980 is about 632.6794254200.
The spelling of 253250980 in words is "two hundred fifty-three million, two hundred fifty thousand, nine hundred eighty".
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