Search a number
-
+
539074431 = 32721796829
BaseRepresentation
bin100000001000011…
…001111101111111
31101120100211002200
4200020121331333
52101000340211
6125254122543
716234025400
oct4010317577
91346324080
10539074431
11257325665
12130650453
13878b656c
14518479a7
15324d5b56
hex20219f7f

539074431 has 36 divisors (see below), whose sum is σ = 910985400. Its totient is φ = 306276768.

The previous prime is 539074427. The next prime is 539074451. The reversal of 539074431 is 134470935.

It is not a de Polignac number, because 539074431 - 22 = 539074427 is a prime.

It is a super-2 number, since 2×5390744312 = 581202484315947522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539074421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75525 + ... + 82353.

It is an arithmetic number, because the mean of its divisors is an integer number (25305150).

Almost surely, 2539074431 is an apocalyptic number.

539074431 is a deficient number, since it is larger than the sum of its proper divisors (371910969).

539074431 is a wasteful number, since it uses less digits than its factorization.

539074431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028 (or 7018 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 539074431 is about 23217.9764622157. The cubic root of 539074431 is about 813.8597632029.

The spelling of 539074431 in words is "five hundred thirty-nine million, seventy-four thousand, four hundred thirty-one".

Divisors: 1 3 7 9 21 49 63 147 179 441 537 1253 1611 3759 6829 8771 11277 20487 26313 47803 61461 78939 143409 334621 430227 1003863 1222391 3011589 3667173 8556737 11001519 25670211 59897159 77010633 179691477 539074431