Search a number
-
+
673941349 is a prime number
BaseRepresentation
bin101000001010111…
…000011101100101
31201222010202201201
4220022320131211
52340012110344
6150512522501
722462256404
oct5012703545
91658122651
10673941349
11316471124
12169850431
13a9817383
146571363b
153e2764d4
hex282b8765

673941349 has 2 divisors, whose sum is σ = 673941350. Its totient is φ = 673941348.

The previous prime is 673941311. The next prime is 673941391. The reversal of 673941349 is 943149376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 219484225 = 21318^2 + 14815^2 .

It is a cyclic number.

It is not a de Polignac number, because 673941349 - 27 = 673941221 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 673941299 and 673941308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673941449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336970674 + 336970675.

It is an arithmetic number, because the mean of its divisors is an integer number (336970675).

Almost surely, 2673941349 is an apocalyptic number.

It is an amenable number.

673941349 is a deficient number, since it is larger than the sum of its proper divisors (1).

673941349 is an equidigital number, since it uses as much as digits as its factorization.

673941349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The square root of 673941349 is about 25960.3803708651. The cubic root of 673941349 is about 876.7464867942.

The spelling of 673941349 in words is "six hundred seventy-three million, nine hundred forty-one thousand, three hundred forty-nine".