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5276921 = 13405917
BaseRepresentation
bin10100001000010011111001
3100221002120112
4110020103321
52322330141
6305034105
762565416
oct24102371
910832515
105276921
112a846a1
121925935
131129b50
149b510d
156e37eb
hex5084f9

5276921 has 4 divisors (see below), whose sum is σ = 5682852. Its totient is φ = 4870992.

The previous prime is 5276911. The next prime is 5276923. The reversal of 5276921 is 1296725.

5276921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 436921 + 4840000 = 661^2 + 2200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5276921 is a prime.

It is a super-3 number, since 3×52769213 (a number of 21 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5276923) 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, 202946 + ... + 202971.

It is an arithmetic number, because the mean of its divisors is an integer number (1420713).

Almost surely, 25276921 is an apocalyptic number.

It is an amenable number.

5276921 is a deficient number, since it is larger than the sum of its proper divisors (405931).

5276921 is a wasteful number, since it uses less digits than its factorization.

5276921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405930.

The product of its digits is 7560, while the sum is 32.

The square root of 5276921 is about 2297.1549795345. The cubic root of 5276921 is about 174.0978992830.

The spelling of 5276921 in words is "five million, two hundred seventy-six thousand, nine hundred twenty-one".

Divisors: 1 13 405917 5276921