Base | Representation |
---|---|
bin | 11110010000011… |
… | …10010110000001 |
3 | 122200121002112220 |
4 | 33020032112001 |
5 | 1004434023040 |
6 | 41104041253 |
7 | 6201245634 |
oct | 1710162601 |
9 | 580532486 |
10 | 253814145 |
11 | 1202a9362 |
12 | 71003229 |
13 | 407797b0 |
14 | 259cdc1b |
15 | 174392d0 |
hex | f20e581 |
253814145 has 32 divisors (see below), whose sum is σ = 441622272. Its totient is φ = 123731712.
The previous prime is 253814129. The next prime is 253814167. The reversal of 253814145 is 541418352.
It is not a de Polignac number, because 253814145 - 24 = 253814129 is a prime.
It is a Curzon number.
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, 13767 + ... + 26403.
It is an arithmetic number, because the mean of its divisors is an integer number (13800696).
Almost surely, 2253814145 is an apocalyptic number.
It is an amenable number.
253814145 is a deficient number, since it is larger than the sum of its proper divisors (187808127).
253814145 is a wasteful number, since it uses less digits than its factorization.
253814145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12761.
The product of its digits is 19200, while the sum is 33.
The square root of 253814145 is about 15931.5455935700. The cubic root of 253814145 is about 633.1480502940.
The spelling of 253814145 in words is "two hundred fifty-three million, eight hundred fourteen thousand, one hundred forty-five".
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