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313000210 = 2531300021
BaseRepresentation
bin10010101010000…
…000000100010010
3210210222001120101
4102222000010102
51120112001320
651020403014
710520313025
oct2252000422
9723861511
10313000210
11150753766
12889a646a
134cb00133
142d7d91bc
151c72ac0a
hex12a80112

313000210 has 8 divisors (see below), whose sum is σ = 563400396. Its totient is φ = 125200080.

The previous prime is 313000189. The next prime is 313000217. The reversal of 313000210 is 12000313.

313000210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 311840281 + 1159929 = 17659^2 + 1077^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 31300021 = 313000210 / (3 + 1 + 3 + 0 + 0 + 0 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (313000217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15650001 + ... + 15650020.

Almost surely, 2313000210 is an apocalyptic number.

313000210 is a deficient number, since it is larger than the sum of its proper divisors (250400186).

313000210 is a wasteful number, since it uses less digits than its factorization.

313000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31300028.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 313000210 is about 17691.8119479040. The cubic root of 313000210 is about 678.9662854892.

Adding to 313000210 its reverse (12000313), we get a palindrome (325000523).

The spelling of 313000210 in words is "three hundred thirteen million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 31300021 62600042 156500105 313000210