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24340720 = 245304259
BaseRepresentation
bin101110011011…
…0100011110000
31200210122012011
41130312203300
522212400340
62225412304
7413615125
oct134664360
950718164
1024340720
11128155a8
12819a094
1350730c1
14333874c
15220c0ea
hex17368f0

24340720 has 20 divisors (see below), whose sum is σ = 56592360. Its totient is φ = 9736256.

The previous prime is 24340711. The next prime is 24340793. The reversal of 24340720 is 2704342.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 24340691 and 24340700.

It is a congruent number.

It is an unprimeable number.

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, 152050 + ... + 152209.

It is an arithmetic number, because the mean of its divisors is an integer number (2829618).

Almost surely, 224340720 is an apocalyptic number.

24340720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24340720 is an abundant number, since it is smaller than the sum of its proper divisors (32251640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24340720 is a wasteful number, since it uses less digits than its factorization.

24340720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304272 (or 304266 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 24340720 is about 4933.6315225197. The cubic root of 24340720 is about 289.8085140977.

The spelling of 24340720 in words is "twenty-four million, three hundred forty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 304259 608518 1217036 1521295 2434072 3042590 4868144 6085180 12170360 24340720