Search a number
-
+
537136431 = 31313772729
BaseRepresentation
bin100000000001000…
…000110100101111
31101102201100122220
4200001000310233
52100001331211
6125144410423
716211404266
oct4001006457
91342640586
10537136431
11256221607
1212ba76a13
1387388410
14514a15dd
1532251806
hex20040d2f

537136431 has 8 divisors (see below), whose sum is σ = 771272880. Its totient is φ = 330545472.

The previous prime is 537136423. The next prime is 537136447. The reversal of 537136431 is 134631735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 537136431 - 23 = 537136423 is a prime.

It is a super-2 number, since 2×5371364312 = 577031091014835522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 537136392 and 537136401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537136421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6886326 + ... + 6886403.

It is an arithmetic number, because the mean of its divisors is an integer number (96409110).

Almost surely, 2537136431 is an apocalyptic number.

537136431 is a deficient number, since it is larger than the sum of its proper divisors (234136449).

537136431 is a wasteful number, since it uses less digits than its factorization.

537136431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772745.

The product of its digits is 22680, while the sum is 33.

The square root of 537136431 is about 23176.2039816705. The cubic root of 537136431 is about 812.8833030429.

The spelling of 537136431 in words is "five hundred thirty-seven million, one hundred thirty-six thousand, four hundred thirty-one".

Divisors: 1 3 13 39 13772729 41318187 179045477 537136431