Base | Representation |
---|---|
bin | 11110010101111… |
… | …10001000001101 |
3 | 122201221200020000 |
4 | 33022332020031 |
5 | 1010130043112 |
6 | 41131314513 |
7 | 6210335043 |
oct | 1712761015 |
9 | 581850200 |
10 | 254534157 |
11 | 120750309 |
12 | 712aba39 |
13 | 4096c437 |
14 | 25b3a393 |
15 | 1752c7dc |
hex | f2be20d |
254534157 has 20 divisors (see below), whose sum is σ = 389077920. Its totient is φ = 165740904.
The previous prime is 254534113. The next prime is 254534171. The reversal of 254534157 is 751435452.
It is not a de Polignac number, because 254534157 - 210 = 254533133 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254534057) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33057 + ... + 40022.
It is an arithmetic number, because the mean of its divisors is an integer number (19453896).
Almost surely, 2254534157 is an apocalyptic number.
254534157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
254534157 is a deficient number, since it is larger than the sum of its proper divisors (134543763).
254534157 is an equidigital number, since it uses as much as digits as its factorization.
254534157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73134 (or 73125 counting only the distinct ones).
The product of its digits is 84000, while the sum is 36.
The square root of 254534157 is about 15954.1266448527. The cubic root of 254534157 is about 633.7461832339.
The spelling of 254534157 in words is "two hundred fifty-four million, five hundred thirty-four thousand, one hundred fifty-seven".
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