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537039931 = 2392247029
BaseRepresentation
bin100000000000101…
…001010000111011
31101102112110021211
4200000221100323
52044440234211
6125142343551
716210523041
oct4000512073
91342473254
10537039931
1125616605a
1212ba2abb7
138735350c
1451478391
1532232e21
hex2002943b

537039931 has 4 divisors (see below), whose sum is σ = 539287200. Its totient is φ = 534792664.

The previous prime is 537039869. The next prime is 537039961. The reversal of 537039931 is 139930735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 537039931 - 27 = 537039803 is a prime.

It is a super-2 number, since 2×5370399312 = 576823774976969522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537039961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123276 + ... + 1123753.

It is an arithmetic number, because the mean of its divisors is an integer number (134821800).

Almost surely, 2537039931 is an apocalyptic number.

537039931 is a deficient number, since it is larger than the sum of its proper divisors (2247269).

537039931 is a wasteful number, since it uses less digits than its factorization.

537039931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247268.

The product of its (nonzero) digits is 76545, while the sum is 40.

The square root of 537039931 is about 23174.1220114161. The cubic root of 537039931 is about 812.8346202302.

The spelling of 537039931 in words is "five hundred thirty-seven million, thirty-nine thousand, nine hundred thirty-one".

Divisors: 1 239 2247029 537039931