Search a number
-
+
22820051 = 47539161
BaseRepresentation
bin101011100001…
…1010011010011
31120221101020002
41113003103103
521320220201
62133040215
7364652522
oct127032323
946841202
1022820051
1111977051
12778606b
13495cbb7
1430604b9
15200b76b
hex15c34d3

22820051 has 8 divisors (see below), whose sum is σ = 23747904. Its totient is φ = 21910720.

The previous prime is 22820033. The next prime is 22820053. The reversal of 22820051 is 15002822.

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

It is a cyclic number.

It is not a de Polignac number, because 22820051 - 26 = 22819987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22820053) by changing a digit.

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, 2090 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (2968488).

Almost surely, 222820051 is an apocalyptic number.

22820051 is a deficient number, since it is larger than the sum of its proper divisors (927853).

22820051 is an equidigital number, since it uses as much as digits as its factorization.

22820051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 22820051 is about 4777.0337030421. The cubic root of 22820051 is about 283.6430871517.

Adding to 22820051 its reverse (15002822), we get a palindrome (37822873).

The spelling of 22820051 in words is "twenty-two million, eight hundred twenty thousand, fifty-one".

Divisors: 1 47 53 2491 9161 430567 485533 22820051