Base | Representation |
---|---|
bin | 11110001010110… |
… | …11001010111010 |
3 | 122122012210211121 |
4 | 33011123022322 |
5 | 1004242032000 |
6 | 41040215454 |
7 | 6162101203 |
oct | 1705331272 |
9 | 578183747 |
10 | 253080250 |
11 | 11a947a35 |
12 | 7090a58a |
13 | 40580737 |
14 | 2587c5aa |
15 | 17341b1a |
hex | f15b2ba |
253080250 has 16 divisors (see below), whose sum is σ = 473766696. Its totient is φ = 101232000.
The previous prime is 253080221. The next prime is 253080251. The reversal of 253080250 is 52080352.
It can be written as a sum of positive squares in 4 ways, for example, as 144024001 + 109056249 = 12001^2 + 10443^2 .
It is a super-2 number, since 2×2530802502 = 128099225880125000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (253080251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505911 + ... + 506410.
Almost surely, 2253080250 is an apocalyptic number.
253080250 is a deficient number, since it is larger than the sum of its proper divisors (220686446).
253080250 is a wasteful number, since it uses less digits than its factorization.
253080250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012338 (or 1012328 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 253080250 is about 15908.4961577140. The cubic root of 253080250 is about 632.5372191381.
The spelling of 253080250 in words is "two hundred fifty-three million, eighty thousand, two hundred fifty".
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