Search a number
-
+
323145313 = 417999767
BaseRepresentation
bin10011010000101…
…100111001100001
3211112001111000221
4103100230321201
51130211122223
652022043041
711002455421
oct2320547141
9745044027
10323145313
11156452947
1290279481
1351c42a5a
1430cba481
151d581b5d
hex1342ce61

323145313 has 8 divisors (see below), whose sum is σ = 335220480. Its totient is φ = 311269920.

The previous prime is 323145283. The next prime is 323145323. The reversal of 323145313 is 313541323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-323145313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323145323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46645 + ... + 53122.

It is an arithmetic number, because the mean of its divisors is an integer number (41902560).

Almost surely, 2323145313 is an apocalyptic number.

It is an amenable number.

323145313 is a deficient number, since it is larger than the sum of its proper divisors (12075167).

323145313 is an equidigital number, since it uses as much as digits as its factorization.

323145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99887.

The product of its digits is 3240, while the sum is 25.

The square root of 323145313 is about 17976.2430168264. The cubic root of 323145313 is about 686.2240801400.

Adding to 323145313 its reverse (313541323), we get a palindrome (636686636).

The spelling of 323145313 in words is "three hundred twenty-three million, one hundred forty-five thousand, three hundred thirteen".

Divisors: 1 41 79 3239 99767 4090447 7881593 323145313