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674893 = 3172129
BaseRepresentation
bin10100100110001001101
31021021210001
42210301031
5133044033
622244301
75510422
oct2446115
91237701
10674893
1142106a
12286691
131a825b
14137d49
15d4e7d
hexa4c4d

674893 has 4 divisors (see below), whose sum is σ = 677340. Its totient is φ = 672448.

The previous prime is 674879. The next prime is 674903. The reversal of 674893 is 398476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 580644 = 307^2 + 762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-674893 is a prime.

It is a super-2 number, since 2×6748932 = 910961122898, 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 (674813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (169335).

2674893 is an apocalyptic number.

It is an amenable number.

674893 is a deficient number, since it is larger than the sum of its proper divisors (2447).

674893 is a wasteful number, since it uses less digits than its factorization.

674893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 36288, while the sum is 37.

The square root of 674893 is about 821.5187155507. The cubic root of 674893 is about 87.7158967918.

The spelling of 674893 in words is "six hundred seventy-four thousand, eight hundred ninety-three".

Divisors: 1 317 2129 674893