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24020540 = 2251201027
BaseRepresentation
bin101101110100…
…0011000111100
31200012100222122
41123220120330
522122124130
62214502112
7411112505
oct133503074
950170878
1024020540
1112616a95
128064938
134c9044b
143293bac
1521972e5
hex16e863c

24020540 has 12 divisors (see below), whose sum is σ = 50443176. Its totient is φ = 9608208.

The previous prime is 24020539. The next prime is 24020561. The reversal of 24020540 is 4502042.

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, 600494 + ... + 600533.

It is an arithmetic number, because the mean of its divisors is an integer number (4203598).

Almost surely, 224020540 is an apocalyptic number.

24020540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24020540 is an abundant number, since it is smaller than the sum of its proper divisors (26422636).

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

24020540 is a wasteful number, since it uses less digits than its factorization.

24020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201036 (or 1201034 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 24020540 is about 4901.0753921971. The cubic root of 24020540 is about 288.5321789481.

Adding to 24020540 its reverse (4502042), we get a palindrome (28522582).

The spelling of 24020540 in words is "twenty-four million, twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1201027 2402054 4804108 6005135 12010270 24020540