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313214819 = 2915976763
BaseRepresentation
bin10010101010110…
…100011101100011
3210211100221221212
4102222310131203
51120140333234
651025140335
710522165511
oct2252643543
9724327855
10313214819
1115088aa25
1288a8a6ab
134cb76a18
142d8534b1
151c76e5ce
hex12ab4763

313214819 has 8 divisors (see below), whose sum is σ = 324266160. Its totient is φ = 302180256.

The previous prime is 313214813. The next prime is 313214821. The reversal of 313214819 is 918412313.

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 313214819 - 216 = 313149283 is a prime.

It is a super-2 number, since 2×3132148192 = 196207045682405522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313214813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42932 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (40533270).

Almost surely, 2313214819 is an apocalyptic number.

313214819 is a deficient number, since it is larger than the sum of its proper divisors (11051341).

313214819 is a wasteful number, since it uses less digits than its factorization.

313214819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389.

The product of its digits is 5184, while the sum is 32.

The square root of 313214819 is about 17697.8761155117. The cubic root of 313214819 is about 679.1214280748.

The spelling of 313214819 in words is "three hundred thirteen million, two hundred fourteen thousand, eight hundred nineteen".

Divisors: 1 29 1597 6763 46313 196127 10800511 313214819