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671368130 = 25461145633
BaseRepresentation
bin101000000001000…
…100001111000010
31201210022000221022
4220001010033002
52333332240010
6150341425442
722431351326
oct5001041702
91653260838
10671368130
11314a738a4
12168a0b282
13a9126064
1465243986
153de18d55
hex280443c2

671368130 has 16 divisors (see below), whose sum is σ = 1211092344. Its totient is φ = 267962880.

The previous prime is 671368129. The next prime is 671368133. The reversal of 671368130 is 31863176.

It can be written as a sum of positive squares in 4 ways, for example, as 315027001 + 356341129 = 17749^2 + 18877^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671368133) 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, 68207 + ... + 77426.

Almost surely, 2671368130 is an apocalyptic number.

671368130 is a deficient number, since it is larger than the sum of its proper divisors (539724214).

671368130 is a wasteful number, since it uses less digits than its factorization.

671368130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146101.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 671368130 is about 25910.7724701523. The cubic root of 671368130 is about 875.6292094700.

The spelling of 671368130 in words is "six hundred seventy-one million, three hundred sixty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 461 922 2305 4610 145633 291266 728165 1456330 67136813 134273626 335684065 671368130