Base | Representation |
---|---|
bin | 11011011011001… |
… | …01110011110101 |
3 | 121000220000100101 |
4 | 31231211303311 |
5 | 432343231112 |
6 | 34454514101 |
7 | 5462302513 |
oct | 1555456365 |
9 | 530800311 |
10 | 230055157 |
11 | 108950932 |
12 | 65065931 |
13 | 3887b417 |
14 | 227a74b3 |
15 | 152e4757 |
hex | db65cf5 |
230055157 has 2 divisors, whose sum is σ = 230055158. Its totient is φ = 230055156.
The previous prime is 230055149. The next prime is 230055187. The reversal of 230055157 is 751550032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 213335236 + 16719921 = 14606^2 + 4089^2 .
It is a cyclic number.
It is not a de Polignac number, because 230055157 - 23 = 230055149 is a prime.
It is a super-3 number, since 3×2300551573 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230055187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115027578 + 115027579.
It is an arithmetic number, because the mean of its divisors is an integer number (115027579).
Almost surely, 2230055157 is an apocalyptic number.
It is an amenable number.
230055157 is a deficient number, since it is larger than the sum of its proper divisors (1).
230055157 is an equidigital number, since it uses as much as digits as its factorization.
230055157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5250, while the sum is 28.
The square root of 230055157 is about 15167.5692515314. The cubic root of 230055157 is about 612.7415408313.
The spelling of 230055157 in words is "two hundred thirty million, fifty-five thousand, one hundred fifty-seven".
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