Base | Representation |
---|---|
bin | 111000111011… |
… | …000010010000 |
3 | 1001002002221221 |
4 | 320323002100 |
5 | 12304444442 |
6 | 1251454424 |
7 | 240556000 |
oct | 70730220 |
9 | 31062857 |
10 | 14921872 |
11 | 8472029 |
12 | 4bb7414 |
13 | 3125c14 |
14 | 1da6000 |
15 | 149b467 |
hex | e3b090 |
14921872 has 40 divisors (see below), whose sum is σ = 33728000. Its totient is φ = 6392736.
The previous prime is 14921861. The next prime is 14921873. The reversal of 14921872 is 27812941.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (14921873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4129 + ... + 6847.
It is an arithmetic number, because the mean of its divisors is an integer number (843200).
Almost surely, 214921872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14921872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16864000).
14921872 is an abundant number, since it is smaller than the sum of its proper divisors (18806128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14921872 is an equidigital number, since it uses as much as digits as its factorization.
14921872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2748 (or 2728 counting only the distinct ones).
The product of its digits is 8064, while the sum is 34.
The square root of 14921872 is about 3862.8838967797. The cubic root of 14921872 is about 246.1922836210.
It can be divided in two parts, 1492 and 1872, that added together give a square (3364 = 582).
The spelling of 14921872 in words is "fourteen million, nine hundred twenty-one thousand, eight hundred seventy-two".
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