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24100993 = 72491857
BaseRepresentation
bin101101111110…
…0000010000001
31200100110100101
41123330002001
522132212433
62220322401
7411566200
oct133740201
950313311
1024100993
1112671484
1280a3401
134cbac57
1432b5237
1521b107d
hex16fc081

24100993 has 6 divisors (see below), whose sum is σ = 28035906. Its totient is φ = 20657952.

The previous prime is 24100991. The next prime is 24100997. The reversal of 24100993 is 39900142.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 2039184 = 4697^2 + 1428^2 .

It is not a de Polignac number, because 24100993 - 21 = 24100991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24100991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245880 + ... + 245977.

It is an arithmetic number, because the mean of its divisors is an integer number (4672651).

Almost surely, 224100993 is an apocalyptic number.

It is an amenable number.

24100993 is a deficient number, since it is larger than the sum of its proper divisors (3934913).

24100993 is an equidigital number, since it uses as much as digits as its factorization.

24100993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491871 (or 491864 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 24100993 is about 4909.2762195664. The cubic root of 24100993 is about 288.8539509414.

The spelling of 24100993 in words is "twenty-four million, one hundred thousand, nine hundred ninety-three".

Divisors: 1 7 49 491857 3442999 24100993