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5321081 = 37143813
BaseRepresentation
bin10100010011000101111001
3101000100011002
4110103011321
52330233311
6310014345
763141233
oct24230571
911010132
105321081
113004897
1219473b5
131143c8c
149c7253
1570193b
hex513179

5321081 has 4 divisors (see below), whose sum is σ = 5464932. Its totient is φ = 5177232.

The previous prime is 5321023. The next prime is 5321087. The reversal of 5321081 is 1801235.

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 4239481 + 1081600 = 2059^2 + 1040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5321081 is a prime.

It is a super-2 number, since 2×53210812 = 56627806017122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5321087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71870 + ... + 71943.

It is an arithmetic number, because the mean of its divisors is an integer number (1366233).

Almost surely, 25321081 is an apocalyptic number.

It is an amenable number.

5321081 is a deficient number, since it is larger than the sum of its proper divisors (143851).

5321081 is a wasteful number, since it uses less digits than its factorization.

5321081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143850.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 5321081 is about 2306.7468435006. The cubic root of 5321081 is about 174.5821978738.

The spelling of 5321081 in words is "five million, three hundred twenty-one thousand, eighty-one".

Divisors: 1 37 143813 5321081