Base | Representation |
---|---|
bin | 11110001111000… |
… | …10000101111010 |
3 | 122200020212220202 |
4 | 33013202011322 |
5 | 1004412223030 |
6 | 41100122202 |
7 | 6166562330 |
oct | 1707420572 |
9 | 580225822 |
10 | 253632890 |
11 | 120195165 |
12 | 70b36362 |
13 | 40715144 |
14 | 25983b50 |
15 | 17400745 |
hex | f1e217a |
253632890 has 32 divisors (see below), whose sum is σ = 524983680. Its totient is φ = 86422464.
The previous prime is 253632887. The next prime is 253632943. The reversal of 253632890 is 98236352.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296 + ... + 22524.
It is an arithmetic number, because the mean of its divisors is an integer number (16405740).
Almost surely, 2253632890 is an apocalyptic number.
253632890 is an abundant number, since it is smaller than the sum of its proper divisors (271350790).
253632890 is a wasteful number, since it uses less digits than its factorization.
253632890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22406.
The product of its (nonzero) digits is 77760, while the sum is 38.
The square root of 253632890 is about 15925.8560209491. The cubic root of 253632890 is about 632.9972988079.
The spelling of 253632890 in words is "two hundred fifty-three million, six hundred thirty-two thousand, eight hundred ninety".
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