Search a number
-
+
24102397 = 112191127
BaseRepresentation
bin101101111110…
…0010111111101
31200100112021101
41123330113331
522132234042
62220333101
7411603244
oct133742775
950315241
1024102397
1112672540
1280a4191
134cbb797
1432b595b
1521b16b7
hex16fc5fd

24102397 has 4 divisors (see below), whose sum is σ = 26293536. Its totient is φ = 21911260.

The previous prime is 24102373. The next prime is 24102401. The reversal of 24102397 is 79320142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24102397 - 219 = 23578109 is a prime.

It is a super-2 number, since 2×241023972 = 1161851082291218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24102497) 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, 1095553 + ... + 1095574.

It is an arithmetic number, because the mean of its divisors is an integer number (6573384).

Almost surely, 224102397 is an apocalyptic number.

It is an amenable number.

24102397 is a deficient number, since it is larger than the sum of its proper divisors (2191139).

24102397 is a wasteful number, since it uses less digits than its factorization.

24102397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191138.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 24102397 is about 4909.4192120861. The cubic root of 24102397 is about 288.8595598814.

The spelling of 24102397 in words is "twenty-four million, one hundred two thousand, three hundred ninety-seven".

Divisors: 1 11 2191127 24102397