Search a number
-
+
23220968 = 2312772273
BaseRepresentation
bin101100010010…
…1001011101000
31121200202011212
41120211023220
521421032333
62145412252
7401242421
oct130451350
947622155
1023220968
1112120291
12793a088
134a70524
143126648
15208a448
hex16252e8

23220968 has 16 divisors (see below), whose sum is σ = 43592580. Its totient is φ = 11596288.

The previous prime is 23220959. The next prime is 23220971. The reversal of 23220968 is 86902232.

It can be written as a sum of positive squares in 2 ways, for example, as 21141604 + 2079364 = 4598^2 + 1442^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9080 + ... + 11352.

Almost surely, 223220968 is an apocalyptic number.

It is an amenable number.

23220968 is a deficient number, since it is larger than the sum of its proper divisors (20371612).

23220968 is a wasteful number, since it uses less digits than its factorization.

23220968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 23220968 is about 4818.8139619620. The cubic root of 23220968 is about 285.2945267533.

The spelling of 23220968 in words is "twenty-three million, two hundred twenty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1277 2273 2554 4546 5108 9092 10216 18184 2902621 5805242 11610484 23220968