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675945331 = 6130673613
BaseRepresentation
bin101000010010100…
…001101101110011
31202002220120200021
4220102201231303
52341020222311
6151023504311
722515304045
oct5022415563
91662816607
10675945331
1131760a806
1216a458097
13aa069569
1465ab5a95
153e520171
hex284a1b73

675945331 has 8 divisors (see below), whose sum is σ = 687440624. Its totient is φ = 664463520.

The previous prime is 675945329. The next prime is 675945343. The reversal of 675945331 is 133549576.

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 675945331 - 21 = 675945329 is a prime.

It is a super-2 number, since 2×6759453312 = 913804181001399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675946331) 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, 185281 + ... + 188893.

It is an arithmetic number, because the mean of its divisors is an integer number (85930078).

Almost surely, 2675945331 is an apocalyptic number.

675945331 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

675945331 is the 15011-st hex number.

675945331 is a deficient number, since it is larger than the sum of its proper divisors (11495293).

675945331 is a wasteful number, since it uses less digits than its factorization.

675945331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741.

The product of its digits is 340200, while the sum is 43.

The square root of 675945331 is about 25998.9486518205. The cubic root of 675945331 is about 877.6146363113.

The spelling of 675945331 in words is "six hundred seventy-five million, nine hundred forty-five thousand, three hundred thirty-one".

Divisors: 1 61 3067 3613 187087 220393 11081071 675945331