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24430141 = 33772493
BaseRepresentation
bin101110100110…
…0011000111101
31200222011212001
41131030120331
522223231031
62231342301
7414436621
oct135143075
950864761
1024430141
11128767aa
128221991
1350a4a08
14335d181
152228861
hex174c63d

24430141 has 4 divisors (see below), whose sum is σ = 24502972. Its totient is φ = 24357312.

The previous prime is 24430127. The next prime is 24430187. The reversal of 24430141 is 14103442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14103442 = 27051721.

It can be written as a sum of positive squares in 2 ways, for example, as 11799225 + 12630916 = 3435^2 + 3554^2 .

It is a cyclic number.

It is not a de Polignac number, because 24430141 - 213 = 24421949 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 (24434141) 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, 35910 + ... + 36583.

It is an arithmetic number, because the mean of its divisors is an integer number (6125743).

Almost surely, 224430141 is an apocalyptic number.

It is an amenable number.

24430141 is a deficient number, since it is larger than the sum of its proper divisors (72831).

24430141 is an equidigital number, since it uses as much as digits as its factorization.

24430141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72830.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 24430141 is about 4942.6856060243. The cubic root of 24430141 is about 290.1629722098.

Adding to 24430141 its reverse (14103442), we get a palindrome (38533583).

The spelling of 24430141 in words is "twenty-four million, four hundred thirty thousand, one hundred forty-one".

Divisors: 1 337 72493 24430141