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5580209 = 29193997
BaseRepresentation
bin10101010010010110110001
3101111111121102
4111102112301
52412031314
6315334145
765300555
oct25222661
911444542
105580209
113171548
121a51355
131204bcb
14a53865
157535de
hex5525b1

5580209 has 8 divisors (see below), whose sum is σ = 5808360. Its totient is φ = 5354496.

The previous prime is 5580181. The next prime is 5580227. The reversal of 5580209 is 9020855.

It can be written as a sum of positive squares in 4 ways, for example, as 1149184 + 4431025 = 1072^2 + 2105^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5580209 - 28 = 5579953 is a prime.

It is a super-2 number, since 2×55802092 = 62277464967362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5580259) 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 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (726045).

Almost surely, 25580209 is an apocalyptic number.

It is an amenable number.

5580209 is a deficient number, since it is larger than the sum of its proper divisors (228151).

5580209 is a wasteful number, since it uses less digits than its factorization.

5580209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5580209 is about 2362.2466001669. The cubic root of 5580209 is about 177.3713568976.

The spelling of 5580209 in words is "five million, five hundred eighty thousand, two hundred nine".

Divisors: 1 29 193 997 5597 28913 192421 5580209