Search a number
-
+
345704371 is a prime number
BaseRepresentation
bin10100100110110…
…000011110110011
3220002111121020121
4110212300132303
51202000014441
654145351111
711365303315
oct2446603663
9802447217
10345704371
111681608a1
1297938497
1356810bcc
1433cad7b5
152053add1
hex149b07b3

345704371 has 2 divisors, whose sum is σ = 345704372. Its totient is φ = 345704370.

The previous prime is 345704347. The next prime is 345704377. The reversal of 345704371 is 173407543.

It is a strong prime.

It is an emirp because it is prime and its reverse (173407543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345704371 - 25 = 345704339 is a prime.

It is equal to p18585115 and since 345704371 and 18585115 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (345704377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172852185 + 172852186.

It is an arithmetic number, because the mean of its divisors is an integer number (172852186).

Almost surely, 2345704371 is an apocalyptic number.

345704371 is a deficient number, since it is larger than the sum of its proper divisors (1).

345704371 is an equidigital number, since it uses as much as digits as its factorization.

345704371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 345704371 is about 18593.1269828397. The cubic root of 345704371 is about 701.8348941940.

The spelling of 345704371 in words is "three hundred forty-five million, seven hundred four thousand, three hundred seventy-one".