Search a number
24130397 = 43155987
BaseRepresentation
bin101110000001…
…1001101011101
31200101221200102
41130003031131
522134133042
62221110445
7412051004
oct134031535
950357612
1024130397
1112691585
1280b8425
134ccb455
1432c1c3b
1521b9b32
hex170335d

24130397 has 4 divisors (see below), whose sum is σ = 24186816. Its totient is φ = 24073980.

The previous prime is 24130339. The next prime is 24130433. The reversal of 24130397 is 79303142.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79303142 = 239651571.

It is a cyclic number.

It is not a de Polignac number, because 24130397 - 222 = 19936093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24130097) 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 3 ways as a sum of consecutive naturals, for example, 27563 + ... + 28424.

It is an arithmetic number, because the mean of its divisors is an integer number (6046704).

Almost surely, 224130397 is an apocalyptic number.

It is an amenable number.

24130397 is a deficient number, since it is larger than the sum of its proper divisors (56419).

24130397 is an equidigital number, since it uses as much as digits as its factorization.

24130397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56418.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 24130397 is about 4912.2700455085. The cubic root of 24130397 is about 288.9713736248.

The spelling of 24130397 in words is "twenty-four million, one hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 431 55987 24130397