Base | Representation |
---|---|
bin | 11110001010011… |
… | …10111101101010 |
3 | 122122010021020202 |
4 | 33011032331222 |
5 | 1004233432000 |
6 | 41035152202 |
7 | 6161502344 |
oct | 1705167552 |
9 | 578107222 |
10 | 253030250 |
11 | 11a913410 |
12 | 708a5662 |
13 | 40563a55 |
14 | 25868294 |
15 | 17331dd5 |
hex | f14ef6a |
253030250 has 64 divisors (see below), whose sum is σ = 522422784. Its totient is φ = 91000000.
The previous prime is 253030243. The next prime is 253030259. The reversal of 253030250 is 52030352.
It is not an unprimeable number, because it can be changed into a prime (253030259) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277295 + ... + 278205.
It is an arithmetic number, because the mean of its divisors is an integer number (8162856).
Almost surely, 2253030250 is an apocalyptic number.
253030250 is an abundant number, since it is smaller than the sum of its proper divisors (269392534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253030250 is a wasteful number, since it uses less digits than its factorization.
253030250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1040 (or 1030 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 253030250 is about 15906.9245927678. The cubic root of 253030250 is about 632.4955604890.
It can be divided in two parts, 2530302 and 50, that added together give a palindrome (2530352).
The spelling of 253030250 in words is "two hundred fifty-three million, thirty thousand, two hundred fifty".
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