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674747380 = 2251910391709
BaseRepresentation
bin101000001101111…
…101001111110100
31202000122201101201
4220031331033310
52340213404010
6150542102244
722502154346
oct5015751764
91660581351
10674747380
1131697176a
12169b7a984
13a9a3a208
1465883296
153e38523a
hex2837d3f4

674747380 has 48 divisors (see below), whose sum is σ = 1493856000. Its totient is φ = 255298176.

The previous prime is 674747377. The next prime is 674747393. The reversal of 674747380 is 83747476.

It is a self number, because there is not a number n which added to its sum of digits gives 674747380.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 393966 + ... + 395674.

It is an arithmetic number, because the mean of its divisors is an integer number (31122000).

Almost surely, 2674747380 is an apocalyptic number.

It is an amenable number.

674747380 is an abundant number, since it is smaller than the sum of its proper divisors (819108620).

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

674747380 is a wasteful number, since it uses less digits than its factorization.

674747380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The square root of 674747380 is about 25975.8999844086. The cubic root of 674747380 is about 877.0958759040.

The spelling of 674747380 in words is "six hundred seventy-four million, seven hundred forty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1039 1709 2078 3418 4156 5195 6836 8545 10390 17090 19741 20780 32471 34180 39482 64942 78964 98705 129884 162355 197410 324710 394820 649420 1775651 3551302 7102604 8878255 17756510 33737369 35513020 67474738 134949476 168686845 337373690 674747380