Search a number
-
+
22988159 = 40075737
BaseRepresentation
bin101011110110…
…0010101111111
31121020220211022
41113230111333
521341110114
62140414355
7366252605
oct127542577
947226738
1022988159
1111a81387
1278473bb
1349bb57c
1430a5875
15204148e
hex15ec57f

22988159 has 4 divisors (see below), whose sum is σ = 22997904. Its totient is φ = 22978416.

The previous prime is 22988149. The next prime is 22988171. The reversal of 22988159 is 95188922.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22988159 - 216 = 22922623 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 (22988149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (5749476).

Almost surely, 222988159 is an apocalyptic number.

22988159 is a deficient number, since it is larger than the sum of its proper divisors (9745).

22988159 is an equidigital number, since it uses as much as digits as its factorization.

22988159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744.

The product of its digits is 103680, while the sum is 44.

The square root of 22988159 is about 4794.5968547939. The cubic root of 22988159 is about 284.3378863774.

It can be divided in two parts, 229 and 88159, that added together give a palindrome (88388).

The spelling of 22988159 in words is "twenty-two million, nine hundred eighty-eight thousand, one hundred fifty-nine".

Divisors: 1 4007 5737 22988159