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20110313 = 47427879
BaseRepresentation
bin100110010110…
…1101111101001
31101211201011102
41030231233221
520122012223
61555011145
7332635436
oct114555751
941751142
1020110313
11103961a3
126899ab5
1342216c2
142956b8d
151b73928
hex132dbe9

20110313 has 4 divisors (see below), whose sum is σ = 20538240. Its totient is φ = 19682388.

The previous prime is 20110301. The next prime is 20110339. The reversal of 20110313 is 31301102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20110313 - 212 = 20106217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110294 and 20110303.

It is not an unprimeable number, because it can be changed into a prime (20110393) 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, 213893 + ... + 213986.

It is an arithmetic number, because the mean of its divisors is an integer number (5134560).

Almost surely, 220110313 is an apocalyptic number.

It is an amenable number.

20110313 is a deficient number, since it is larger than the sum of its proper divisors (427927).

20110313 is an equidigital number, since it uses as much as digits as its factorization.

20110313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427926.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20110313 is about 4484.4523634442. The cubic root of 20110313 is about 271.9399061663.

Adding to 20110313 its reverse (31301102), we get a palindrome (51411415).

The spelling of 20110313 in words is "twenty million, one hundred ten thousand, three hundred thirteen".

Divisors: 1 47 427879 20110313