Search a number
-
+
22005048 = 2331370529
BaseRepresentation
bin101001111110…
…0010100111000
31112101222020210
41103330110320
521113130143
62103351120
7355016442
oct123742470
945358223
1022005048
111146a79a
1274524a0
134735c50
142ccb492
151dea033
hex14fc538

22005048 has 32 divisors (see below), whose sum is σ = 59245200. Its totient is φ = 6770688.

The previous prime is 22005037. The next prime is 22005073. The reversal of 22005048 is 84050022.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34953 + ... + 35576.

Almost surely, 222005048 is an apocalyptic number.

It is an amenable number.

22005048 is an abundant number, since it is smaller than the sum of its proper divisors (37240152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22005048 is a wasteful number, since it uses less digits than its factorization.

22005048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70551 (or 70547 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22005048 is about 4690.9538475666. The cubic root of 22005048 is about 280.2253627819.

The spelling of 22005048 in words is "twenty-two million, five thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 70529 141058 211587 282116 423174 564232 846348 916877 1692696 1833754 2750631 3667508 5501262 7335016 11002524 22005048