Base | Representation |
---|---|
bin | 11110001010001… |
… | …01011010110001 |
3 | 122122001021121201 |
4 | 33011011122301 |
5 | 1004231204103 |
6 | 41034251201 |
7 | 6161250352 |
oct | 1705053261 |
9 | 578037551 |
10 | 252991153 |
11 | 11a896aa8 |
12 | 70886b01 |
13 | 4054c00c |
14 | 25857d29 |
15 | 1732551d |
hex | f1456b1 |
252991153 has 2 divisors, whose sum is σ = 252991154. Its totient is φ = 252991152.
The previous prime is 252991111. The next prime is 252991181. The reversal of 252991153 is 351199252.
252991153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 219721329 + 33269824 = 14823^2 + 5768^2 .
It is a cyclic number.
It is not a de Polignac number, because 252991153 - 29 = 252990641 is a prime.
It is not a weakly prime, because it can be changed into another prime (252991253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126495576 + 126495577.
It is an arithmetic number, because the mean of its divisors is an integer number (126495577).
Almost surely, 2252991153 is an apocalyptic number.
It is an amenable number.
252991153 is a deficient number, since it is larger than the sum of its proper divisors (1).
252991153 is an equidigital number, since it uses as much as digits as its factorization.
252991153 is an evil number, because the sum of its binary digits is even.
The product of its digits is 24300, while the sum is 37.
The square root of 252991153 is about 15905.6956150934. The cubic root of 252991153 is about 632.4629821014.
The spelling of 252991153 in words is "two hundred fifty-two million, nine hundred ninety-one thousand, one hundred fifty-three".
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