Base | Representation |
---|---|
bin | 111110111001… |
… | …001010100000 |
3 | 1011000122000022 |
4 | 332321022200 |
5 | 13210041242 |
6 | 1345213012 |
7 | 260065160 |
oct | 76711240 |
9 | 34018008 |
10 | 16487072 |
11 | 9340a88 |
12 | 5631168 |
13 | 3553484 |
14 | 22925a0 |
15 | 16aa0d2 |
hex | fb92a0 |
16487072 has 48 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 6978048.
The previous prime is 16487057. The next prime is 16487077. The reversal of 16487072 is 27078461.
It is a happy number.
16487072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (16487077) 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, 19523 + ... + 20349.
It is an arithmetic number, because the mean of its divisors is an integer number (782460).
Almost surely, 216487072 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 16487072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18779040).
16487072 is an abundant number, since it is smaller than the sum of its proper divisors (21071008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16487072 is an equidigital number, since it uses as much as digits as its factorization.
16487072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 933 (or 925 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 16487072 is about 4060.4275636933. The cubic root of 16487072 is about 254.5156614481.
The spelling of 16487072 in words is "sixteen million, four hundred eighty-seven thousand, seventy-two".
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