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34310213 = 76737283
BaseRepresentation
bin1000001011100…
…0100001000101
32101120010202122
42002320201011
532240411323
63223215325
7564426530
oct202704105
971503678
1034310213
1118404853
12b5a7545
137153b02
1447b1a17
15302aec8
hex20b8845

34310213 has 8 divisors (see below), whose sum is σ = 39275328. Its totient is φ = 29361024.

The previous prime is 34310209. The next prime is 34310249. The reversal of 34310213 is 31201343.

It is a happy number.

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

It is not a de Polignac number, because 34310213 - 22 = 34310209 is a prime.

It is a super-2 number, since 2×343102132 = 2354381432210738, 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 = 34310191 and 34310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34310293) 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, 1070 + ... + 8352.

It is an arithmetic number, because the mean of its divisors is an integer number (4909416).

Almost surely, 234310213 is an apocalyptic number.

It is an amenable number.

34310213 is a deficient number, since it is larger than the sum of its proper divisors (4965115).

34310213 is an equidigital number, since it uses as much as digits as its factorization.

34310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963.

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

The square root of 34310213 is about 5857.4920401141. The cubic root of 34310213 is about 324.9434631437.

Adding to 34310213 its reverse (31201343), we get a palindrome (65511556).

The spelling of 34310213 in words is "thirty-four million, three hundred ten thousand, two hundred thirteen".

Divisors: 1 7 673 4711 7283 50981 4901459 34310213