Base | Representation |
---|---|
bin | 101110000001… |
… | …0110100010110 |
3 | 1200101212110220 |
4 | 1130002310112 |
5 | 22134110130 |
6 | 2221055210 |
7 | 412043220 |
oct | 134026426 |
9 | 50355426 |
10 | 24128790 |
11 | 12690354 |
12 | 80b7506 |
13 | 4cca7ba |
14 | 32c1410 |
15 | 21b9410 |
hex | 1702d16 |
24128790 has 64 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 5448960.
The previous prime is 24128789. The next prime is 24128807. The reversal of 24128790 is 9782142.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 18045 + ... + 19335.
It is an arithmetic number, because the mean of its divisors is an integer number (1046520).
Almost surely, 224128790 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 24128790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33488640).
24128790 is an abundant number, since it is smaller than the sum of its proper divisors (42848490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24128790 is a wasteful number, since it uses less digits than its factorization.
24128790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1397.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 24128790 is about 4912.1064727874. The cubic root of 24128790 is about 288.9649586549.
The spelling of 24128790 in words is "twenty-four million, one hundred twenty-eight thousand, seven hundred ninety".
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