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674231904 = 25332971379
BaseRepresentation
bin101000001011111…
…111011001100000
31201222200112022000
4220023333121200
52340100410104
6150523044000
722464606453
oct5013773140
91658615260
10674231904
1131664a455
12169970600
13a98b96b8
146578b49a
153e2d2639
hex282ff660

674231904 has 192 divisors, whose sum is σ = 2068416000. Its totient is φ = 213373440.

The previous prime is 674231903. The next prime is 674231953. The reversal of 674231904 is 409132476.

674231904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674231903) 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, 1778787 + ... + 1779165.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2674231904 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 674231904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034208000).

674231904 is an abundant number, since it is smaller than the sum of its proper divisors (1394184096).

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

674231904 is a wasteful number, since it uses less digits than its factorization.

674231904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 674231904 is about 25965.9758915393. The cubic root of 674231904 is about 876.8724653509.

The spelling of 674231904 in words is "six hundred seventy-four million, two hundred thirty-one thousand, nine hundred four".