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5580249 = 31860083
BaseRepresentation
bin10101010010010111011001
3101111111122220
4111102113121
52412031444
6315334253
765300643
oct25222731
911444586
105580249
113171584
121a51389
131204c2c
14a53893
15753619
hex5525d9

5580249 has 4 divisors (see below), whose sum is σ = 7440336. Its totient is φ = 3720164.

The previous prime is 5580247. The next prime is 5580257. The reversal of 5580249 is 9420855.

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 5580249 - 21 = 5580247 is a prime.

It is a super-2 number, since 2×55802492 = 62278357804002, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5580247) 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, 930039 + ... + 930044.

It is an arithmetic number, because the mean of its divisors is an integer number (1860084).

Almost surely, 25580249 is an apocalyptic number.

It is an amenable number.

5580249 is a deficient number, since it is larger than the sum of its proper divisors (1860087).

5580249 is a wasteful number, since it uses less digits than its factorization.

5580249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860086.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5580249 is about 2362.2550666683. The cubic root of 5580249 is about 177.3717807071.

Subtracting 5580249 from its reverse (9420855), we obtain a triangular number (3840606 = T2771).

The spelling of 5580249 in words is "five million, five hundred eighty thousand, two hundred forty-nine".

Divisors: 1 3 1860083 5580249