Base | Representation |
---|---|
bin | 11110001111111… |
… | …00001101100011 |
3 | 122200110022200011 |
4 | 33013330031203 |
5 | 1004424134000 |
6 | 41102305351 |
7 | 6200516254 |
oct | 1707741543 |
9 | 580408604 |
10 | 253739875 |
11 | 120258584 |
12 | 70b88257 |
13 | 40751a4c |
14 | 259b0b2b |
15 | 174222ba |
hex | f1fc363 |
253739875 has 32 divisors (see below), whose sum is σ = 339026688. Its totient is φ = 188928000.
The previous prime is 253739873. The next prime is 253739903. The reversal of 253739875 is 578937352.
It is not a de Polignac number, because 253739875 - 21 = 253739873 is a prime.
It is a Duffinian number.
Its product of digits (1587600) is a multiple of the sum of its prime divisors (1350).
It is not an unprimeable number, because it can be changed into a prime (253739873) 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, 205510 + ... + 206740.
It is an arithmetic number, because the mean of its divisors is an integer number (10594584).
Almost surely, 2253739875 is an apocalyptic number.
253739875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
253739875 is a deficient number, since it is larger than the sum of its proper divisors (85286813).
253739875 is a wasteful number, since it uses less digits than its factorization.
253739875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1360 (or 1350 counting only the distinct ones).
The product of its digits is 1587600, while the sum is 49.
The square root of 253739875 is about 15929.2145129633. The cubic root of 253739875 is about 633.0862879192.
The spelling of 253739875 in words is "two hundred fifty-three million, seven hundred thirty-nine thousand, eight hundred seventy-five".
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