Search a number
-
+
5302921 = 13407917
BaseRepresentation
bin10100001110101010001001
3100222102020111
4110032222021
52324143141
6305354321
763034261
oct24165211
910872214
105302921
112aa2188
1219389a1
131138930
149c07a1
156eb381
hex50ea89

5302921 has 4 divisors (see below), whose sum is σ = 5710852. Its totient is φ = 4894992.

The previous prime is 5302907. The next prime is 5302933. The reversal of 5302921 is 1292035.

5302921 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, and also an emirpimes, since its reverse is a distinct semiprime: 1292035 = 5258407.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 3168400 = 1461^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5302921 is a prime.

It is a super-2 number, since 2×53029212 = 56241942264482, which contains 22 as substring.

It is a Duffinian number.

5302921 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5302892 and 5302901.

It is not an unprimeable number, because it can be changed into a prime (5302901) 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, 203946 + ... + 203971.

It is an arithmetic number, because the mean of its divisors is an integer number (1427713).

Almost surely, 25302921 is an apocalyptic number.

It is an amenable number.

5302921 is a deficient number, since it is larger than the sum of its proper divisors (407931).

5302921 is a wasteful number, since it uses less digits than its factorization.

5302921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407930.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5302921 is about 2302.8071999193. The cubic root of 5302921 is about 174.3833644493.

Adding to 5302921 its reverse (1292035), we get a palindrome (6594956).

The spelling of 5302921 in words is "five million, three hundred two thousand, nine hundred twenty-one".

Divisors: 1 13 407917 5302921