Base | Representation |
---|---|
bin | 101111011100… |
… | …0011111101100 |
3 | 1201210200021000 |
4 | 1132320133230 |
5 | 22331413230 |
6 | 2245040300 |
7 | 421262601 |
oct | 136703754 |
9 | 51720230 |
10 | 24872940 |
11 | 13049454 |
12 | 83b6090 |
13 | 51cb421 |
14 | 34366a8 |
15 | 22b4b60 |
hex | 17b87ec |
24872940 has 48 divisors (see below), whose sum is σ = 77384160. Its totient is φ = 6632640.
The previous prime is 24872927. The next prime is 24872941. The reversal of 24872940 is 4927842.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 24872895 and 24872904.
It is not an unprimeable number, because it can be changed into a prime (24872941) 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, 22491 + ... + 23570.
It is an arithmetic number, because the mean of its divisors is an integer number (1612170).
Almost surely, 224872940 is an apocalyptic number.
24872940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
24872940 is an abundant number, since it is smaller than the sum of its proper divisors (52511220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24872940 is a wasteful number, since it uses less digits than its factorization.
24872940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46079 (or 46071 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 24872940 is about 4987.2778145999. The cubic root of 24872940 is about 291.9055646331.
The spelling of 24872940 in words is "twenty-four million, eight hundred seventy-two thousand, nine hundred forty".
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