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2022313 = 18111173
BaseRepresentation
bin111101101101110101001
310210202002111
413231232221
51004203223
6111202321
723121646
oct7555651
93722074
102022313
111161437
128163a1
1355a647
143a8dcd
1529e30d
hex1edba9

2022313 has 4 divisors (see below), whose sum is σ = 2033668. Its totient is φ = 2010960.

The previous prime is 2022301. The next prime is 2022329. The reversal of 2022313 is 3132202.

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: 3132202 = 21566101.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 1671849 = 592^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022313 - 25 = 2022281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022293 and 2022302.

It is not an unprimeable number, because it can be changed into a prime (2022613) 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, 5406 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (508417).

22022313 is an apocalyptic number.

It is an amenable number.

2022313 is a deficient number, since it is larger than the sum of its proper divisors (11355).

2022313 is a wasteful number, since it uses less digits than its factorization.

2022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2022313 is about 1422.0805181142. The cubic root of 2022313 is about 126.4589169136.

Adding to 2022313 its reverse (3132202), we get a palindrome (5154515).

The spelling of 2022313 in words is "two million, twenty-two thousand, three hundred thirteen".

Divisors: 1 181 11173 2022313