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5587231 = 131093943
BaseRepresentation
bin10101010100000100011111
3101111212020111
4111110010133
52412242411
6315430451
765330206
oct25240437
911455214
105587231
113176851
121a55427
131208170
14a5623d
15755721
hex55411f

5587231 has 8 divisors (see below), whose sum is σ = 6073760. Its totient is φ = 5108832.

The previous prime is 5587199. The next prime is 5587249. The reversal of 5587231 is 1327855.

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 5587231 - 25 = 5587199 is a prime.

It is a super-2 number, since 2×55872312 = 62434300494722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5587193 and 5587202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587261) 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, 555 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (759220).

Almost surely, 25587231 is an apocalyptic number.

5587231 is a deficient number, since it is larger than the sum of its proper divisors (486529).

5587231 is a wasteful number, since it uses less digits than its factorization.

5587231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065.

The product of its digits is 8400, while the sum is 31.

The square root of 5587231 is about 2363.7324298660. The cubic root of 5587231 is about 177.4457256531.

The spelling of 5587231 in words is "five million, five hundred eighty-seven thousand, two hundred thirty-one".

Divisors: 1 13 109 1417 3943 51259 429787 5587231