Search a number
-
+
674922431 is a prime number
BaseRepresentation
bin101000001110100…
…111111110111111
31202000222121112002
4220032213332333
52340240004211
6150545532515
722503513611
oct5016477677
91660877462
10674922431
11316a81237
1216a04413b
13a9a9bab1
14658cadb1
153e3bc03b
hex283a7fbf

674922431 has 2 divisors, whose sum is σ = 674922432. Its totient is φ = 674922430.

The previous prime is 674922407. The next prime is 674922463. The reversal of 674922431 is 134229476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674922431 - 222 = 670728127 is a prime.

It is a super-2 number, since 2×6749224312 = 911040575733899522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674922401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337461215 + 337461216.

It is an arithmetic number, because the mean of its divisors is an integer number (337461216).

Almost surely, 2674922431 is an apocalyptic number.

674922431 is a deficient number, since it is larger than the sum of its proper divisors (1).

674922431 is an equidigital number, since it uses as much as digits as its factorization.

674922431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 674922431 is about 25979.2692545422. The cubic root of 674922431 is about 877.1717182312.

The spelling of 674922431 in words is "six hundred seventy-four million, nine hundred twenty-two thousand, four hundred thirty-one".