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24444145 = 5112231993
BaseRepresentation
bin101110100111…
…1110011110001
31200222220001201
41131033303301
522224203040
62231531201
7414525505
oct135176361
950886051
1024444145
1112886280
128229b01
1350ab1bb
143364305
15222ca9a
hex174fcf1

24444145 has 16 divisors (see below), whose sum is σ = 32159232. Its totient is φ = 17688960.

The previous prime is 24444143. The next prime is 24444157. The reversal of 24444145 is 54144442.

It is not a de Polignac number, because 24444145 - 21 = 24444143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24444143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11269 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (2009952).

Almost surely, 224444145 is an apocalyptic number.

It is an amenable number.

24444145 is a deficient number, since it is larger than the sum of its proper divisors (7715087).

24444145 is a wasteful number, since it uses less digits than its factorization.

24444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 10240, while the sum is 28.

The square root of 24444145 is about 4944.1020418272. The cubic root of 24444145 is about 290.2184046376.

Adding to 24444145 its reverse (54144442), we get a palindrome (78588587).

The spelling of 24444145 in words is "twenty-four million, four hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 11 55 223 1115 1993 2453 9965 12265 21923 109615 444439 2222195 4888829 24444145