Base | Representation |
---|---|
bin | 11111101001110… |
… | …011101011000101 |
3 | 1101000021022010000 |
4 | 133221303223011 |
5 | 2041422201003 |
6 | 124410151513 |
7 | 16105610133 |
oct | 3751635305 |
9 | 1330238100 |
10 | 531053253 |
11 | 252847195 |
12 | 129a22599 |
13 | 860385c3 |
14 | 5075a753 |
15 | 3194e1a3 |
hex | 1fa73ac5 |
531053253 has 40 divisors (see below), whose sum is σ = 808647840. Its totient is φ = 347263200.
The previous prime is 531053239. The next prime is 531053291. The reversal of 531053253 is 352350135.
It is not a de Polignac number, because 531053253 - 221 = 528956101 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531053353) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1136926 + ... + 1137392.
It is an arithmetic number, because the mean of its divisors is an integer number (20216196).
Almost surely, 2531053253 is an apocalyptic number.
It is an amenable number.
531053253 is a deficient number, since it is larger than the sum of its proper divisors (277594587).
531053253 is a wasteful number, since it uses less digits than its factorization.
531053253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719 (or 710 counting only the distinct ones).
The product of its (nonzero) digits is 6750, while the sum is 27.
The square root of 531053253 is about 23044.5927063162. The cubic root of 531053253 is about 809.8029561855.
The spelling of 531053253 in words is "five hundred thirty-one million, fifty-three thousand, two hundred fifty-three".
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