Search a number
-
+
24989193 = 323189567
BaseRepresentation
bin101111101010…
…0111000001001
31202000120201200
41133110320021
522344123233
62251334413
7422255535
oct137247011
952016650
1024989193
1113118829
128451409
13523c308
143466bc5
1522d9313
hex17d4e09

24989193 has 12 divisors (see below), whose sum is σ = 37260288. Its totient is φ = 16121880.

The previous prime is 24989189. The next prime is 24989203. The reversal of 24989193 is 39198942.

It is not a de Polignac number, because 24989193 - 22 = 24989189 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24989113) 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 11 ways as a sum of consecutive naturals, for example, 44505 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (3105024).

Almost surely, 224989193 is an apocalyptic number.

It is an amenable number.

24989193 is a deficient number, since it is larger than the sum of its proper divisors (12271095).

24989193 is a wasteful number, since it uses less digits than its factorization.

24989193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89604 (or 89601 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 24989193 is about 4998.9191831835. The cubic root of 24989193 is about 292.3596346025.

The spelling of 24989193 in words is "twenty-four million, nine hundred eighty-nine thousand, one hundred ninety-three".

Divisors: 1 3 9 31 93 279 89567 268701 806103 2776577 8329731 24989193