Base | Representation |
---|---|
bin | 11110001011100… |
… | …00010100101101 |
3 | 122122101012200121 |
4 | 33011300110231 |
5 | 1004302320033 |
6 | 41042124541 |
7 | 6162611620 |
oct | 1705602455 |
9 | 578335617 |
10 | 253166893 |
11 | 11a9a7041 |
12 | 70950751 |
13 | 405b0cc5 |
14 | 258a1db7 |
15 | 1735c62d |
hex | f17052d |
253166893 has 8 divisors (see below), whose sum is σ = 292143488. Its totient is φ = 214892784.
The previous prime is 253166891. The next prime is 253166951. The reversal of 253166893 is 398661352.
253166893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253166893 - 21 = 253166891 is a prime.
It is a super-2 number, since 2×2531668932 = 128186951422546898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253166891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174846 + ... + 176287.
It is an arithmetic number, because the mean of its divisors is an integer number (36517936).
Almost surely, 2253166893 is an apocalyptic number.
It is an amenable number.
253166893 is a deficient number, since it is larger than the sum of its proper divisors (38976595).
253166893 is a wasteful number, since it uses less digits than its factorization.
253166893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351243.
The product of its digits is 233280, while the sum is 43.
The square root of 253166893 is about 15911.2190922003. The cubic root of 253166893 is about 632.6093947546.
The spelling of 253166893 in words is "two hundred fifty-three million, one hundred sixty-six thousand, eight hundred ninety-three".
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