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674627293 = 977690509
BaseRepresentation
bin101000001101011…
…111111011011101
31202000102121200001
4220031133323131
52340201033133
6150535334301
722501144264
oct5015377335
91660377601
10674627293
1131689a51a
12169b21391
13a99c7662
14658515db
153e35e87d
hex2835fedd

674627293 has 4 divisors (see below), whose sum is σ = 675318780. Its totient is φ = 673935808.

The previous prime is 674627267. The next prime is 674627297. The reversal of 674627293 is 392726476.

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 442765764 + 231861529 = 21042^2 + 15227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-674627293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674627297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344278 + ... + 346231.

It is an arithmetic number, because the mean of its divisors is an integer number (168829695).

Almost surely, 2674627293 is an apocalyptic number.

It is an amenable number.

674627293 is a deficient number, since it is larger than the sum of its proper divisors (691487).

674627293 is an equidigital number, since it uses as much as digits as its factorization.

674627293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691486.

The product of its digits is 762048, while the sum is 46.

The square root of 674627293 is about 25973.5883735767. The cubic root of 674627293 is about 877.0438396088.

The spelling of 674627293 in words is "six hundred seventy-four million, six hundred twenty-seven thousand, two hundred ninety-three".

Divisors: 1 977 690509 674627293