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24420945 = 351628063
BaseRepresentation
bin101110100101…
…0001001010001
31200221201020110
41131022021101
522222432240
62231231533
7414401043
oct135121121
950851213
1024420945
111286a8aa
1282185a9
1350a0783
143359a93
152225c80
hex174a251

24420945 has 8 divisors (see below), whose sum is σ = 39073536. Its totient is φ = 13024496.

The previous prime is 24420943. The next prime is 24420967. The reversal of 24420945 is 54902442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24420945 - 21 = 24420943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24420943) 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 7 ways as a sum of consecutive naturals, for example, 814017 + ... + 814046.

It is an arithmetic number, because the mean of its divisors is an integer number (4884192).

Almost surely, 224420945 is an apocalyptic number.

It is an amenable number.

24420945 is a deficient number, since it is larger than the sum of its proper divisors (14652591).

24420945 is a wasteful number, since it uses less digits than its factorization.

24420945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628071.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 24420945 is about 4941.7552549676. The cubic root of 24420945 is about 290.1265599002.

The spelling of 24420945 in words is "twenty-four million, four hundred twenty thousand, nine hundred forty-five".

Divisors: 1 3 5 15 1628063 4884189 8140315 24420945