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24930149 = 106923321
BaseRepresentation
bin101111100011…
…0011101100101
31201220120201212
41133012131211
522340231044
62250201205
7421621436
oct137063545
951816655
1024930149
1113088432
128423205
13521b48a
14344d48d
1522c6a9e
hex17c6765

24930149 has 4 divisors (see below), whose sum is σ = 24954540. Its totient is φ = 24905760.

The previous prime is 24930131. The next prime is 24930161. The reversal of 24930149 is 94103942.

It is a happy number.

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 11607649 + 13322500 = 3407^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 24930149 - 224 = 8152933 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 (24930949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10592 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (6238635).

Almost surely, 224930149 is an apocalyptic number.

It is an amenable number.

24930149 is a deficient number, since it is larger than the sum of its proper divisors (24391).

24930149 is a wasteful number, since it uses less digits than its factorization.

24930149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24390.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 24930149 is about 4993.0100140096. The cubic root of 24930149 is about 292.1291923782.

The spelling of 24930149 in words is "twenty-four million, nine hundred thirty thousand, one hundred forty-nine".

Divisors: 1 1069 23321 24930149