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5408729 = 22723827
BaseRepresentation
bin10100101000011111011001
3101011210101022
4110220133121
52341034404
6311532225
763654614
oct24503731
911153338
105408729
113064727
12198a075
131174b41
14a0b17b
1571c8be
hex5287d9

5408729 has 4 divisors (see below), whose sum is σ = 5432784. Its totient is φ = 5384676.

The previous prime is 5408719. The next prime is 5408773. The reversal of 5408729 is 9278045.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 5408729 - 216 = 5343193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5408719) 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, 11687 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (1358196).

Almost surely, 25408729 is an apocalyptic number.

It is an amenable number.

5408729 is a deficient number, since it is larger than the sum of its proper divisors (24055).

5408729 is a wasteful number, since it uses less digits than its factorization.

5408729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24054.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5408729 is about 2325.6674310830. The cubic root of 5408729 is about 175.5355458123.

The spelling of 5408729 in words is "five million, four hundred eight thousand, seven hundred twenty-nine".

Divisors: 1 227 23827 5408729