Base | Representation |
---|---|
bin | 11110001110000… |
… | …01101010111010 |
3 | 122200000010202020 |
4 | 33013001222322 |
5 | 1004344000330 |
6 | 41053215310 |
7 | 6165500214 |
oct | 1707015272 |
9 | 580003666 |
10 | 253500090 |
11 | 120104408 |
12 | 70a91536 |
13 | 4069986c |
14 | 2594b5b4 |
15 | 173c6210 |
hex | f1c1aba |
253500090 has 64 divisors (see below), whose sum is σ = 678119040. Its totient is φ = 60272640.
The previous prime is 253500083. The next prime is 253500103. The reversal of 253500090 is 90005352.
It is a self number, because there is not a number n which added to its sum of digits gives 253500090.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3391 + ... + 22770.
It is an arithmetic number, because the mean of its divisors is an integer number (10595610).
Almost surely, 2253500090 is an apocalyptic number.
253500090 is an abundant number, since it is smaller than the sum of its proper divisors (424618950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253500090 is a wasteful number, since it uses less digits than its factorization.
253500090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26207.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 253500090 is about 15921.6861544247. The cubic root of 253500090 is about 632.8868022067.
The spelling of 253500090 in words is "two hundred fifty-three million, five hundred thousand, ninety".
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