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537318431 = 1323179399
BaseRepresentation
bin100000000001101…
…101010000011111
31101110001121022122
4200001231100133
52100023142211
6125152333155
716213063016
oct4001552037
91343047278
10537318431
11256336321
1212bb441bb
1387420200
145150ba7d
153228a6db
hex2006d41f

537318431 has 6 divisors (see below), whose sum is σ = 581830200. Its totient is φ = 495986088.

The previous prime is 537318413. The next prime is 537318437. The reversal of 537318431 is 134813735.

It is not a de Polignac number, because 537318431 - 26 = 537318367 is a prime.

It is a super-2 number, since 2×5373184312 = 577422192584603522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537318391 and 537318400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537318437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1589531 + ... + 1589868.

It is an arithmetic number, because the mean of its divisors is an integer number (96971700).

Almost surely, 2537318431 is an apocalyptic number.

537318431 is a deficient number, since it is larger than the sum of its proper divisors (44511769).

537318431 is a wasteful number, since it uses less digits than its factorization.

537318431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179425 (or 3179412 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 537318431 is about 23180.1300902303. The cubic root of 537318431 is about 812.9751034659.

The spelling of 537318431 in words is "five hundred thirty-seven million, three hundred eighteen thousand, four hundred thirty-one".

Divisors: 1 13 169 3179399 41332187 537318431