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24240401 = 109222389
BaseRepresentation
bin101110001111…
…0000100010001
31200121112120122
41130132010101
522201143101
62223320025
7413016503
oct134360421
950545518
1024240401
1112757199
128150015
135039543
14330dd73
1521dc51b
hex171e111

24240401 has 4 divisors (see below), whose sum is σ = 24462900. Its totient is φ = 24017904.

The previous prime is 24240373. The next prime is 24240427. The reversal of 24240401 is 10404242.

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 11566801 + 12673600 = 3401^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 24240401 - 214 = 24224017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24240401.

It is not an unprimeable number, because it can be changed into a prime (24240901) 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 3 ways as a sum of consecutive naturals, for example, 111086 + ... + 111303.

It is an arithmetic number, because the mean of its divisors is an integer number (6115725).

Almost surely, 224240401 is an apocalyptic number.

It is an amenable number.

24240401 is a deficient number, since it is larger than the sum of its proper divisors (222499).

24240401 is a wasteful number, since it uses less digits than its factorization.

24240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222498.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 24240401 is about 4923.4541736468. The cubic root of 24240401 is about 289.4098223391.

Adding to 24240401 its reverse (10404242), we get a palindrome (34644643).

The spelling of 24240401 in words is "twenty-four million, two hundred forty thousand, four hundred one".

Divisors: 1 109 222389 24240401