Search a number
-
+
313000239 = 3383272411
BaseRepresentation
bin10010101010000…
…000000100101111
3210210222001121110
4102222000010233
51120112001424
651020403103
710520313066
oct2252000457
9723861543
10313000239
11150753792
12889a6493
134cb00156
142d7d91dd
151c72ac29
hex12a8012f

313000239 has 8 divisors (see below), whose sum is σ = 418424832. Its totient is φ = 208121240.

The previous prime is 313000217. The next prime is 313000241. The reversal of 313000239 is 932000313.

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

It is a cyclic number.

It is not a de Polignac number, because 313000239 - 212 = 312996143 is a prime.

It is a super-2 number, since 2×3130002392 = 195938299228114242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135057 + ... + 137354.

It is an arithmetic number, because the mean of its divisors is an integer number (52303104).

Almost surely, 2313000239 is an apocalyptic number.

313000239 is a deficient number, since it is larger than the sum of its proper divisors (105424593).

313000239 is a wasteful number, since it uses less digits than its factorization.

313000239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272797.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 313000239 is about 17691.8127674922. The cubic root of 313000239 is about 678.9663064583.

The spelling of 313000239 in words is "three hundred thirteen million, two hundred thirty-nine", and thus it is an aban number.

Divisors: 1 3 383 1149 272411 817233 104333413 313000239