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310034213 = 973196229
BaseRepresentation
bin10010011110101…
…011111100100101
3210121101100222122
4102132223330211
51113332043323
650433035325
710453150556
oct2236537445
9717340878
10310034213
1114a008325
12879b5b45
134c3020c8
142d26632d
151c341ec8
hex127abf25

310034213 has 4 divisors (see below), whose sum is σ = 313230540. Its totient is φ = 306837888.

The previous prime is 310034201. The next prime is 310034261. The reversal of 310034213 is 312430013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312430013 = 744632859.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 236452129 = 8578^2 + 15377^2 .

It is a cyclic number.

It is not a de Polignac number, because 310034213 - 26 = 310034149 is a prime.

It is a super-2 number, since 2×3100342132 = 192242426461058738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 310034191 and 310034200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310034293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598018 + ... + 1598211.

It is an arithmetic number, because the mean of its divisors is an integer number (78307635).

Almost surely, 2310034213 is an apocalyptic number.

It is an amenable number.

310034213 is a deficient number, since it is larger than the sum of its proper divisors (3196327).

310034213 is an equidigital number, since it uses as much as digits as its factorization.

310034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196326.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 310034213 is about 17607.7884187651. The cubic root of 310034213 is about 676.8148421598.

Adding to 310034213 its reverse (312430013), we get a palindrome (622464226).

The spelling of 310034213 in words is "three hundred ten million, thirty-four thousand, two hundred thirteen".

Divisors: 1 97 3196229 310034213