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24102013 = 131997579
BaseRepresentation
bin101101111110…
…0010001111101
31200100111202011
41123330101331
522132231023
62220331221
7411602155
oct133742175
950314664
1024102013
1112672221
1280a3b11
134cbb560
1432b5765
1521b150d
hex16fc47d

24102013 has 8 divisors (see below), whose sum is σ = 27322400. Its totient is φ = 21076848.

The previous prime is 24102011. The next prime is 24102017. The reversal of 24102013 is 31020142.

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

It is not a de Polignac number, because 24102013 - 21 = 24102011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24101984 and 24102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48543 + ... + 49036.

It is an arithmetic number, because the mean of its divisors is an integer number (3415300).

Almost surely, 224102013 is an apocalyptic number.

It is an amenable number.

24102013 is a deficient number, since it is larger than the sum of its proper divisors (3220387).

24102013 is a wasteful number, since it uses less digits than its factorization.

24102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97611.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 24102013 is about 4909.3801034346. The cubic root of 24102013 is about 288.8580258340.

Adding to 24102013 its reverse (31020142), we get a palindrome (55122155).

The spelling of 24102013 in words is "twenty-four million, one hundred two thousand, thirteen".

Divisors: 1 13 19 247 97579 1268527 1854001 24102013