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5270213 = 13405401
BaseRepresentation
bin10100000110101011000101
3100220202101002
4110012223011
52322121323
6304543045
762540024
oct24065305
910822332
105270213
112a7a653
121921a85
131126a90
149b28bb
156e1828
hex506ac5

5270213 has 4 divisors (see below), whose sum is σ = 5675628. Its totient is φ = 4864800.

The previous prime is 5270203. The next prime is 5270219. The reversal of 5270213 is 3120725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332929 + 4937284 = 577^2 + 2222^2 .

It is a cyclic number.

It is not a de Polignac number, because 5270213 - 26 = 5270149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5270219) 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, 202688 + ... + 202713.

It is an arithmetic number, because the mean of its divisors is an integer number (1418907).

Almost surely, 25270213 is an apocalyptic number.

It is an amenable number.

5270213 is a deficient number, since it is larger than the sum of its proper divisors (405415).

5270213 is a wasteful number, since it uses less digits than its factorization.

5270213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405414.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5270213 is about 2295.6944483097. The cubic root of 5270213 is about 174.0240971603.

Adding to 5270213 its reverse (3120725), we get a palindrome (8390938).

The spelling of 5270213 in words is "five million, two hundred seventy thousand, two hundred thirteen".

Divisors: 1 13 405401 5270213