Search a number
-
+
22049833 = 131725869
BaseRepresentation
bin101010000011…
…1010000101001
31112111020200111
41110013100221
521121043313
62104334321
7355264141
oct124072051
945436614
1022049833
11114a0403
1274743a1
134750450
142cdd921
151e0843d
hex1507429

22049833 has 12 divisors (see below), whose sum is σ = 25229260. Its totient is φ = 19153152.

The previous prime is 22049821. The next prime is 22049837. The reversal of 22049833 is 33894022.

It can be written as a sum of positive squares in 6 ways, for example, as 399424 + 21650409 = 632^2 + 4653^2 .

It is a de Polignac number, because none of the positive numbers 2k-22049833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22049795 and 22049804.

It is not an unprimeable number, because it can be changed into a prime (22049837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823 + ... + 6691.

Almost surely, 222049833 is an apocalyptic number.

It is an amenable number.

22049833 is a deficient number, since it is larger than the sum of its proper divisors (3179427).

22049833 is a wasteful number, since it uses less digits than its factorization.

22049833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5899 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 22049833 is about 4695.7249706515. The cubic root of 22049833 is about 280.4153402298.

The spelling of 22049833 in words is "twenty-two million, forty-nine thousand, eight hundred thirty-three".

Divisors: 1 13 17 221 289 3757 5869 76297 99773 1297049 1696141 22049833