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674674812 = 223378211087
BaseRepresentation
bin101000001101101…
…011100001111100
31202000112000212000
4220031223201330
52340204043222
6150540342300
722501432650
oct5015534174
91660460760
10674674812
11316922199
12169b44990
13a9a13186
1465864a60
153e36d9ac
hex2836b87c

674674812 has 96 divisors (see below), whose sum is σ = 2003312640. Its totient is φ = 192352320.

The previous prime is 674674811. The next prime is 674674829. The reversal of 674674812 is 218476476.

674674812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6746748122 = 910372203894470688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674674811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620133 + ... + 621219.

It is an arithmetic number, because the mean of its divisors is an integer number (20867840).

Almost surely, 2674674812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674674812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001656320).

674674812 is an abundant number, since it is smaller than the sum of its proper divisors (1328637828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674674812 is a wasteful number, since it uses less digits than its factorization.

674674812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1920 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 674674812 is about 25974.5031136305. The cubic root of 674674812 is about 877.0644313578.

The spelling of 674674812 in words is "six hundred seventy-four million, six hundred seventy-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 821 1087 1642 2174 2463 3261 3284 4348 4926 5747 6522 7389 7609 9783 9852 11494 13044 14778 15218 17241 19566 22167 22827 22988 29349 29556 30436 34482 39132 44334 45654 51723 58698 68481 68964 88668 91308 103446 117396 136962 155169 205443 206892 273924 310338 410886 620676 821772 892427 1784854 2677281 3569708 5354562 6246989 8031843 10709124 12493978 16063686 18740967 24095529 24987956 32127372 37481934 48191058 56222901 74963868 96382116 112445802 168668703 224891604 337337406 674674812