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5808997 = 31187387
BaseRepresentation
bin10110001010001101100101
3101221010110001
4112022031211
52441341442
6324301301
7100242565
oct26121545
911833401
105808997
113308427
121b41831
13128509c
14ab2da5
1579b2b7
hex58a365

5808997 has 4 divisors (see below), whose sum is σ = 5996416. Its totient is φ = 5621580.

The previous prime is 5808989. The next prime is 5809031. The reversal of 5808997 is 7998085.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7998085 = 51599617.

It is a cyclic number.

It is not a de Polignac number, because 5808997 - 23 = 5808989 is a prime.

It is a super-2 number, since 2×58089972 = 67488892292018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5808947) 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 3 ways as a sum of consecutive naturals, for example, 93663 + ... + 93724.

It is an arithmetic number, because the mean of its divisors is an integer number (1499104).

Almost surely, 25808997 is an apocalyptic number.

It is an amenable number.

5808997 is a deficient number, since it is larger than the sum of its proper divisors (187419).

5808997 is a wasteful number, since it uses less digits than its factorization.

5808997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187418.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 5808997 is about 2410.1860924003. The cubic root of 5808997 is about 179.7630317920.

The spelling of 5808997 in words is "five million, eight hundred eight thousand, nine hundred ninety-seven".

Divisors: 1 31 187387 5808997