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5942721 = 31980907
BaseRepresentation
bin10110101010110111000001
3102011220212210
4112222313001
53010131341
6331212333
7101340501
oct26526701
912156783
105942721
113399944
121ba70a9
131300c05
14b09a01
157c5c16
hex5aadc1

5942721 has 4 divisors (see below), whose sum is σ = 7923632. Its totient is φ = 3961812.

The previous prime is 5942719. The next prime is 5942747. The reversal of 5942721 is 1272495.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5942721 - 21 = 5942719 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (5942701) 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, 990451 + ... + 990456.

It is an arithmetic number, because the mean of its divisors is an integer number (1980908).

Almost surely, 25942721 is an apocalyptic number.

It is an amenable number.

5942721 is a deficient number, since it is larger than the sum of its proper divisors (1980911).

5942721 is a wasteful number, since it uses less digits than its factorization.

5942721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980910.

The product of its digits is 5040, while the sum is 30.

The square root of 5942721 is about 2437.7696773896. The cubic root of 5942721 is about 181.1319713539.

The spelling of 5942721 in words is "five million, nine hundred forty-two thousand, seven hundred twenty-one".

Divisors: 1 3 1980907 5942721