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5981399 = 17351847
BaseRepresentation
bin10110110100010011010111
3102020212221022
4112310103113
53012401044
6332111355
7101561324
oct26642327
912225838
105981399
113415a06
12200555b
1313156b8
14b19b4b
157d23ee
hex5b44d7

5981399 has 4 divisors (see below), whose sum is σ = 6333264. Its totient is φ = 5629536.

The previous prime is 5981387. The next prime is 5981411. The reversal of 5981399 is 9931895.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5981387) and next prime (5981411).

It is a cyclic number.

It is not a de Polignac number, because 5981399 - 212 = 5977303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981359) 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 3 ways as a sum of consecutive naturals, for example, 175907 + ... + 175940.

It is an arithmetic number, because the mean of its divisors is an integer number (1583316).

Almost surely, 25981399 is an apocalyptic number.

5981399 is a deficient number, since it is larger than the sum of its proper divisors (351865).

5981399 is a wasteful number, since it uses less digits than its factorization.

5981399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351864.

The product of its digits is 87480, while the sum is 44.

The square root of 5981399 is about 2445.6898822214. The cubic root of 5981399 is about 181.5240856763.

The spelling of 5981399 in words is "five million, nine hundred eighty-one thousand, three hundred ninety-nine".

Divisors: 1 17 351847 5981399