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274371213 = 391457071
BaseRepresentation
bin10000010110101…
…001001010001101
3201010021111112210
4100112221022031
51030214334323
643120421033
76541055034
oct2026511215
9633244483
10274371213
1113096a176
1277a77779
1344ac663c
142862171b
151914a293
hex105a928d

274371213 has 4 divisors (see below), whose sum is σ = 365828288. Its totient is φ = 182914140.

The previous prime is 274371199. The next prime is 274371257. The reversal of 274371213 is 312173472.

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 not a de Polignac number, because 274371213 - 24 = 274371197 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 (274371263) 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, 45728533 + ... + 45728538.

It is an arithmetic number, because the mean of its divisors is an integer number (91457072).

Almost surely, 2274371213 is an apocalyptic number.

It is an amenable number.

274371213 is a deficient number, since it is larger than the sum of its proper divisors (91457075).

274371213 is an equidigital number, since it uses as much as digits as its factorization.

274371213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91457074.

The product of its digits is 7056, while the sum is 30.

The square root of 274371213 is about 16564.1544607626. The cubic root of 274371213 is about 649.7997118605.

The spelling of 274371213 in words is "two hundred seventy-four million, three hundred seventy-one thousand, two hundred thirteen".

Divisors: 1 3 91457071 274371213