Search a number
-
+
22464293 = 171321429
BaseRepresentation
bin101010110110…
…0011100100101
31120021022012212
41111230130211
521222324133
62121253205
7361641365
oct125543445
946238185
1022464293
1111753835
127634205
134866ca7
142daa9a5
151e8b148
hex156c725

22464293 has 4 divisors (see below), whose sum is σ = 23785740. Its totient is φ = 21142848.

The previous prime is 22464271. The next prime is 22464317. The reversal of 22464293 is 39246422.

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 20052484 + 2411809 = 4478^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 22464293 - 212 = 22460197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464193) 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 3 ways as a sum of consecutive naturals, for example, 660698 + ... + 660731.

It is an arithmetic number, because the mean of its divisors is an integer number (5946435).

Almost surely, 222464293 is an apocalyptic number.

It is an amenable number.

22464293 is a deficient number, since it is larger than the sum of its proper divisors (1321447).

22464293 is a wasteful number, since it uses less digits than its factorization.

22464293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321446.

The product of its digits is 20736, while the sum is 32.

The square root of 22464293 is about 4739.6511475002. The cubic root of 22464293 is about 282.1613892681.

The spelling of 22464293 in words is "twenty-two million, four hundred sixty-four thousand, two hundred ninety-three".

Divisors: 1 17 1321429 22464293