Search a number
-
+
5981145 = 351812203
BaseRepresentation
bin10110110100001111011001
3102020212120220
4112310033121
53012344040
6332110253
7101560512
oct26641731
912225526
105981145
1134157a5
122005389
131315551
14b19a09
157d22d0
hex5b43d9

5981145 has 16 divisors (see below), whose sum is σ = 9627072. Its totient is φ = 3170880.

The previous prime is 5981141. The next prime is 5981149. The reversal of 5981145 is 5411895.

It is an interprime number because it is at equal distance from previous prime (5981141) and next prime (5981149).

It is not a de Polignac number, because 5981145 - 22 = 5981141 is a prime.

It is a super-2 number, since 2×59811452 = 71548191022050, which contains 22 as substring.

5981145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5981141) 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 15 ways as a sum of consecutive naturals, for example, 1614 + ... + 3816.

It is an arithmetic number, because the mean of its divisors is an integer number (601692).

Almost surely, 25981145 is an apocalyptic number.

It is an amenable number.

5981145 is a deficient number, since it is larger than the sum of its proper divisors (3645927).

5981145 is a wasteful number, since it uses less digits than its factorization.

5981145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its digits is 7200, while the sum is 33.

The square root of 5981145 is about 2445.6379535818. The cubic root of 5981145 is about 181.5215161676.

The spelling of 5981145 in words is "five million, nine hundred eighty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 181 543 905 2203 2715 6609 11015 33045 398743 1196229 1993715 5981145