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5420009 = 73124977
BaseRepresentation
bin10100101011001111101001
3101012100212002
4110223033221
52341420014
6312100345
764032530
oct24531751
911170762
105420009
113072151
1219946b5
13117a00a
14a11317
15720dde
hex52b3e9

5420009 has 8 divisors (see below), whose sum is σ = 6394368. Its totient is φ = 4495680.

The previous prime is 5420003. The next prime is 5420017. The reversal of 5420009 is 9000245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5420009 - 212 = 5415913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12272 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (799296).

Almost surely, 25420009 is an apocalyptic number.

It is an amenable number.

5420009 is a deficient number, since it is larger than the sum of its proper divisors (974359).

5420009 is a wasteful number, since it uses less digits than its factorization.

5420009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5420009 is about 2328.0912782793. The cubic root of 5420009 is about 175.6574885756.

The spelling of 5420009 in words is "five million, four hundred twenty thousand, nine".

Divisors: 1 7 31 217 24977 174839 774287 5420009