Base | Representation |
---|---|
bin | 11110010001011… |
… | …00101000101000 |
3 | 122200211101202010 |
4 | 33020230220220 |
5 | 1010002010331 |
6 | 41110435520 |
7 | 6202303440 |
oct | 1710545050 |
9 | 580741663 |
10 | 253938216 |
11 | 1203835a4 |
12 | 71062ba0 |
13 | 407c10cc |
14 | 25a23120 |
15 | 17460e46 |
hex | f22ca28 |
253938216 has 64 divisors (see below), whose sum is σ = 757094400. Its totient is φ = 69398208.
The previous prime is 253938203. The next prime is 253938253. The reversal of 253938216 is 612839352.
253938216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 28996 + ... + 36723.
It is an arithmetic number, because the mean of its divisors is an integer number (11829600).
Almost surely, 2253938216 is an apocalyptic number.
It is an amenable number.
253938216 is an abundant number, since it is smaller than the sum of its proper divisors (503156184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253938216 is a wasteful number, since it uses less digits than its factorization.
253938216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65758 (or 65754 counting only the distinct ones).
The product of its digits is 77760, while the sum is 39.
The square root of 253938216 is about 15935.4389961494. The cubic root of 253938216 is about 633.2511999369.
It can be divided in two parts, 2539 and 38216, that added together give a triangular number (40755 = T285).
The spelling of 253938216 in words is "two hundred fifty-three million, nine hundred thirty-eight thousand, two hundred sixteen".
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