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674969919 = 31317306921
BaseRepresentation
bin101000001110110…
…011100100111111
31202001002000122220
4220032303210333
52340243014134
6150550540423
722504102221
oct5016634477
91661060586
10674969919
11317003988
1216a067713
13a9ab75b0
1465900411
153e3cb149
hex283b393f

674969919 has 8 divisors (see below), whose sum is σ = 969187632. Its totient is φ = 415366080.

The previous prime is 674969903. The next prime is 674969929. The reversal of 674969919 is 919969476.

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

It is not a de Polignac number, because 674969919 - 24 = 674969903 is a prime.

It is a super-2 number, since 2×6749699192 = 911168783109733122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674969929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653422 + ... + 8653499.

It is an arithmetic number, because the mean of its divisors is an integer number (121148454).

Almost surely, 2674969919 is an apocalyptic number.

674969919 is a deficient number, since it is larger than the sum of its proper divisors (294217713).

674969919 is a wasteful number, since it uses less digits than its factorization.

674969919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306937.

The product of its digits is 6613488, while the sum is 60.

The square root of 674969919 is about 25980.1831979684. The cubic root of 674969919 is about 877.1922905477.

The spelling of 674969919 in words is "six hundred seventy-four million, nine hundred sixty-nine thousand, nine hundred nineteen".

Divisors: 1 3 13 39 17306921 51920763 224989973 674969919