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676005031 = 1353239769
BaseRepresentation
bin101000010010110…
…000010010100111
31202010000121120101
4220102300102213
52341024130111
6151025044531
722515643102
oct5022602247
91663017511
10676005031
11317650649
1216a486747
13aa08a7a0
1465acd739
153e532bc1
hex284b04a7

676005031 has 8 divisors (see below), whose sum is σ = 728216720. Its totient is φ = 623823552.

The previous prime is 676004999. The next prime is 676005061. The reversal of 676005031 is 130500676.

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 676005031 - 25 = 676004999 is a prime.

It is a super-2 number, since 2×6760050312 = 913965603874621922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676005061) 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, 64315 + ... + 74083.

It is an arithmetic number, because the mean of its divisors is an integer number (91027090).

Almost surely, 2676005031 is an apocalyptic number.

676005031 is a deficient number, since it is larger than the sum of its proper divisors (52211689).

676005031 is a wasteful number, since it uses less digits than its factorization.

676005031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 676005031 is about 26000.0967498200. The cubic root of 676005031 is about 877.6404727456.

The spelling of 676005031 in words is "six hundred seventy-six million, five thousand, thirty-one".

Divisors: 1 13 5323 9769 69199 126997 52000387 676005031