Search a number
-
+
22340253 = 313572827
BaseRepresentation
bin101010100111…
…0001010011101
31120001000001210
41111032022131
521204342003
62114455033
7360613635
oct125161235
946030053
1022340253
1111679621
127594479
1348226b0
142d776c5
151e64503
hex154e29d

22340253 has 8 divisors (see below), whose sum is σ = 32078368. Its totient is φ = 13747824.

The previous prime is 22340251. The next prime is 22340309. The reversal of 22340253 is 35204322.

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

It is not a de Polignac number, because 22340253 - 21 = 22340251 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340251) 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, 286375 + ... + 286452.

It is an arithmetic number, because the mean of its divisors is an integer number (4009796).

Almost surely, 222340253 is an apocalyptic number.

It is an amenable number.

22340253 is a deficient number, since it is larger than the sum of its proper divisors (9738115).

22340253 is a wasteful number, since it uses less digits than its factorization.

22340253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572843.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22340253 is about 4726.5476830346. The cubic root of 22340253 is about 281.6410981696.

Adding to 22340253 its reverse (35204322), we get a palindrome (57544575).

The spelling of 22340253 in words is "twenty-two million, three hundred forty thousand, two hundred fifty-three".

Divisors: 1 3 13 39 572827 1718481 7446751 22340253