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671461131 = 31120347307
BaseRepresentation
bin101000000001011…
…010111100001011
31201210110202111210
4220001122330023
52333343224011
6150343424203
722432216425
oct5001327413
91653422453
10671461131
11315027760
12168a55063
13a91594a3
1465269815
153de366a6
hex2805af0b

671461131 has 8 divisors (see below), whose sum is σ = 976670784. Its totient is φ = 406946120.

The previous prime is 671461127. The next prime is 671461181. The reversal of 671461131 is 131164176.

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

It is a cyclic number.

It is not a de Polignac number, because 671461131 - 22 = 671461127 is a prime.

It is a super-2 number, since 2×6714611312 = 901720100887598322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671461111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10173621 + ... + 10173686.

It is an arithmetic number, because the mean of its divisors is an integer number (122083848).

Almost surely, 2671461131 is an apocalyptic number.

671461131 is a deficient number, since it is larger than the sum of its proper divisors (305209653).

671461131 is a wasteful number, since it uses less digits than its factorization.

671461131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347321.

The product of its digits is 3024, while the sum is 30.

The square root of 671461131 is about 25912.5670476701. The cubic root of 671461131 is about 875.6696396645.

The spelling of 671461131 in words is "six hundred seventy-one million, four hundred sixty-one thousand, one hundred thirty-one".

Divisors: 1 3 11 33 20347307 61041921 223820377 671461131