Base | Representation |
---|---|
bin | 11110001010111… |
… | …00011010110101 |
3 | 122122020001212001 |
4 | 33011130122311 |
5 | 1004242212430 |
6 | 41040255301 |
7 | 6162122131 |
oct | 1705343265 |
9 | 578201761 |
10 | 253085365 |
11 | 11a950865 |
12 | 70911531 |
13 | 40582b70 |
14 | 258803c1 |
15 | 173433ca |
hex | f15c6b5 |
253085365 has 32 divisors (see below), whose sum is σ = 343203840. Its totient is φ = 177894144.
The previous prime is 253085359. The next prime is 253085369. The reversal of 253085365 is 563580352.
253085365 = T2758 + T2759 + ... + T2822.
It is a cyclic number.
It is not a de Polignac number, because 253085365 - 27 = 253085237 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253085369) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111916 + ... + 114154.
It is an arithmetic number, because the mean of its divisors is an integer number (10725120).
Almost surely, 2253085365 is an apocalyptic number.
It is an amenable number.
253085365 is a deficient number, since it is larger than the sum of its proper divisors (90118475).
253085365 is a wasteful number, since it uses less digits than its factorization.
253085365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2341.
The product of its (nonzero) digits is 108000, while the sum is 37.
The square root of 253085365 is about 15908.6569200546. The cubic root of 253085365 is about 632.5414805085.
The spelling of 253085365 in words is "two hundred fifty-three million, eighty-five thousand, three hundred sixty-five".
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