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674886461 = 3121770531
BaseRepresentation
bin101000001110011…
…111001100111101
31202000220210011212
4220032133030331
52340232331321
6150545054205
722503304004
oct5016371475
91660823155
10674886461
11316a57207
1216a027365
13a9a88602
14658bbc3b
153e3b155b
hex2839f33d

674886461 has 4 divisors (see below), whose sum is σ = 696657024. Its totient is φ = 653115900.

The previous prime is 674886397. The next prime is 674886473. The reversal of 674886461 is 164688476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674886461 - 26 = 674886397 is a prime.

It is a super-2 number, since 2×6748864612 = 910943470482209042, 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 (674886481) 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 3 ways as a sum of consecutive naturals, for example, 10885235 + ... + 10885296.

It is an arithmetic number, because the mean of its divisors is an integer number (174164256).

Almost surely, 2674886461 is an apocalyptic number.

It is an amenable number.

674886461 is a deficient number, since it is larger than the sum of its proper divisors (21770563).

674886461 is a wasteful number, since it uses less digits than its factorization.

674886461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21770562.

The product of its digits is 1548288, while the sum is 50.

The square root of 674886461 is about 25978.5769625667. The cubic root of 674886461 is about 877.1561349948.

The spelling of 674886461 in words is "six hundred seventy-four million, eight hundred eighty-six thousand, four hundred sixty-one".

Divisors: 1 31 21770531 674886461