Search a number
-
+
315739001 is a prime number
BaseRepresentation
bin10010110100011…
…100101101111001
3211000010012111002
4102310130231321
51121312122001
651155214345
710552510604
oct2264345571
9730105432
10315739001
11152254426
12898a73b5
135054b916
142dd0d33b
151cabc46b
hex12d1cb79

315739001 has 2 divisors, whose sum is σ = 315739002. Its totient is φ = 315739000.

The previous prime is 315738971. The next prime is 315739027. The reversal of 315739001 is 100937513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299255401 + 16483600 = 17299^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 315739001 - 218 = 315476857 is a prime.

It is a super-2 number, since 2×3157390012 = 199382233504956002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315739301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157869500 + 157869501.

It is an arithmetic number, because the mean of its divisors is an integer number (157869501).

Almost surely, 2315739001 is an apocalyptic number.

It is an amenable number.

315739001 is a deficient number, since it is larger than the sum of its proper divisors (1).

315739001 is an equidigital number, since it uses as much as digits as its factorization.

315739001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 315739001 is about 17769.0461477255. The cubic root of 315739001 is about 680.9408839614.

The spelling of 315739001 in words is "three hundred fifteen million, seven hundred thirty-nine thousand, one".