Base | Representation |
---|---|
bin | 11110001011111… |
… | …11100001010111 |
3 | 122122111101002011 |
4 | 33011333201113 |
5 | 1004311313033 |
6 | 41043325051 |
7 | 6163261246 |
oct | 1705774127 |
9 | 578441064 |
10 | 253229143 |
11 | 11aa39892 |
12 | 70980787 |
13 | 4060343b |
14 | 258ba95d |
15 | 17370ccd |
hex | f17f857 |
253229143 has 2 divisors, whose sum is σ = 253229144. Its totient is φ = 253229142.
The previous prime is 253229129. The next prime is 253229153. The reversal of 253229143 is 341922352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 253229143 - 213 = 253220951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253229153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126614571 + 126614572.
It is an arithmetic number, because the mean of its divisors is an integer number (126614572).
Almost surely, 2253229143 is an apocalyptic number.
253229143 is a deficient number, since it is larger than the sum of its proper divisors (1).
253229143 is an equidigital number, since it uses as much as digits as its factorization.
253229143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12960, while the sum is 31.
The square root of 253229143 is about 15913.1751388590. The cubic root of 253229143 is about 632.6612402746.
The spelling of 253229143 in words is "two hundred fifty-three million, two hundred twenty-nine thousand, one hundred forty-three".
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