Search a number
-
+
2990633 = 10927437
BaseRepresentation
bin1011011010001000101001
312121221101012
423122020221
51231200013
6144033305
734264022
oct13321051
95557335
102990633
1117629a8
121002835
13809309
1457bc49
153e11a8
hex2da229

2990633 has 4 divisors (see below), whose sum is σ = 3018180. Its totient is φ = 2963088.

The previous prime is 2990629. The next prime is 2990639. The reversal of 2990633 is 3360992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1841449 + 1149184 = 1357^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990633 - 22 = 2990629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2990633.

It is not an unprimeable number, because it can be changed into a prime (2990639) 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, 13610 + ... + 13827.

It is an arithmetic number, because the mean of its divisors is an integer number (754545).

22990633 is an apocalyptic number.

It is an amenable number.

2990633 is a deficient number, since it is larger than the sum of its proper divisors (27547).

2990633 is a wasteful number, since it uses less digits than its factorization.

2990633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27546.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 2990633 is about 1729.3446735686. The cubic root of 2990633 is about 144.0746944018.

The spelling of 2990633 in words is "two million, nine hundred ninety thousand, six hundred thirty-three".

Divisors: 1 109 27437 2990633