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2210013 = 321321453
BaseRepresentation
bin1000011011100011011101
311011021120100
420123203131
51031210023
6115211313
724533121
oct10334335
94137510
102210013
11127a463
128a6b39
135c4c00
14417581
152d9c43
hex21b8dd

2210013 has 18 divisors (see below), whose sum is σ = 3459066. Its totient is φ = 1359072.

The previous prime is 2210011. The next prime is 2210027. The reversal of 2210013 is 3100122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 213444 + 1996569 = 462^2 + 1413^2 .

It is not a de Polignac number, because 2210013 - 21 = 2210011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2209977 and 2210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 795 + ... + 2247.

22210013 is an apocalyptic number.

It is an amenable number.

2210013 is a deficient number, since it is larger than the sum of its proper divisors (1249053).

2210013 is a wasteful number, since it uses less digits than its factorization.

2210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2210013 is about 1486.6112470986. The cubic root of 2210013 is about 130.2561615755.

Adding to 2210013 its reverse (3100122), we get a palindrome (5310135).

The spelling of 2210013 in words is "two million, two hundred ten thousand, thirteen".