Base | Representation |
---|---|
bin | 11110001111100… |
… | …01101101110000 |
3 | 122200101010200202 |
4 | 33013301231300 |
5 | 1004421300010 |
6 | 41101334332 |
7 | 6200250023 |
oct | 1707615560 |
9 | 580333622 |
10 | 253696880 |
11 | 120229248 |
12 | 70b673a8 |
13 | 407382c8 |
14 | 2599d1ba |
15 | 174146a5 |
hex | f1f1b70 |
253696880 has 40 divisors (see below), whose sum is σ = 590550000. Its totient is φ = 101357568.
The previous prime is 253696871. The next prime is 253696909. The reversal of 253696880 is 88696352.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
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, 98651 + ... + 101189.
It is an arithmetic number, because the mean of its divisors is an integer number (14763750).
Almost surely, 2253696880 is an apocalyptic number.
253696880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253696880 is an abundant number, since it is smaller than the sum of its proper divisors (336853120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253696880 is a wasteful number, since it uses less digits than its factorization.
253696880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3801 (or 3795 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 47.
The square root of 253696880 is about 15927.8648914410. The cubic root of 253696880 is about 633.0505280917.
The spelling of 253696880 in words is "two hundred fifty-three million, six hundred ninety-six thousand, eight hundred eighty".
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