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531053253 = 34101139467
BaseRepresentation
bin11111101001110…
…011101011000101
31101000021022010000
4133221303223011
52041422201003
6124410151513
716105610133
oct3751635305
91330238100
10531053253
11252847195
12129a22599
13860385c3
145075a753
153194e1a3
hex1fa73ac5

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".

Divisors: 1 3 9 27 81 101 139 303 417 467 909 1251 1401 2727 3753 4203 8181 11259 12609 14039 37827 42117 47167 64913 126351 141501 194739 379053 424503 584217 1137159 1273509 1752651 3820527 5257953 6556213 19668639 59005917 177017751 531053253