Search a number
-
+
313442330 = 2531344233
BaseRepresentation
bin10010101011101…
…100000000011010
3210211210112001012
4102223230000122
51120220123310
651034053522
710524134015
oct2253540032
9724715035
10313442330
11150a25953
1288b7a2a2
134cc26446
142d8b237c
151c7b6c05
hex12aec01a

313442330 has 8 divisors (see below), whose sum is σ = 564196212. Its totient is φ = 125376928.

The previous prime is 313442291. The next prime is 313442369. The reversal of 313442330 is 33244313.

It is an interprime number because it is at equal distance from previous prime (313442291) and next prime (313442369).

It can be written as a sum of positive squares in 2 ways, for example, as 290123089 + 23319241 = 17033^2 + 4829^2 .

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

It is a super-3 number, since 3×3134423303 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313442296 and 313442305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15672107 + ... + 15672126.

Almost surely, 2313442330 is an apocalyptic number.

313442330 is a deficient number, since it is larger than the sum of its proper divisors (250753882).

313442330 is a wasteful number, since it uses less digits than its factorization.

313442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31344240.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 313442330 is about 17704.3025844002. The cubic root of 313442330 is about 679.2858202543.

Adding to 313442330 its reverse (33244313), we get a palindrome (346686643).

The spelling of 313442330 in words is "three hundred thirteen million, four hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 31344233 62688466 156721165 313442330