Search a number
-
+
22990006 = 213884231
BaseRepresentation
bin101011110110…
…0110010110110
31121021000100201
41113230302312
521341140011
62140431114
7366261154
oct127546266
947230321
1022990006
1111a82806
12784849a
1349bc370
1430a63d4
152041cc1
hex15eccb6

22990006 has 8 divisors (see below), whose sum is σ = 37137744. Its totient is φ = 10610760.

The previous prime is 22989983. The next prime is 22990007. The reversal of 22990006 is 60009922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442090 + ... + 442141.

It is an arithmetic number, because the mean of its divisors is an integer number (4642218).

Almost surely, 222990006 is an apocalyptic number.

22990006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22990006 is a deficient number, since it is larger than the sum of its proper divisors (14147738).

22990006 is a wasteful number, since it uses less digits than its factorization.

22990006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884246.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 22990006 is about 4794.7894635740. The cubic root of 22990006 is about 284.3455012834.

Adding to 22990006 its reverse (60009922), we get a palindrome (82999928).

The spelling of 22990006 in words is "twenty-two million, nine hundred ninety thousand, six".

Divisors: 1 2 13 26 884231 1768462 11495003 22990006