Base | Representation |
---|---|
bin | 111110110101… |
… | …101110011100 |
3 | 1010222220200200 |
4 | 332311232130 |
5 | 13204113423 |
6 | 1345023500 |
7 | 260006130 |
oct | 76655634 |
9 | 33886620 |
10 | 16472988 |
11 | 9331444 |
12 | 5624b90 |
13 | 3549c3c |
14 | 228b3c0 |
15 | 16a5d43 |
hex | fb5b9c |
16472988 has 72 divisors (see below), whose sum is σ = 48048000. Its totient is φ = 4661280.
The previous prime is 16472987. The next prime is 16473007. The reversal of 16472988 is 88927461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16472987) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32763 + ... + 33261.
Almost surely, 216472988 is an apocalyptic number.
16472988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16472988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24024000).
16472988 is an abundant number, since it is smaller than the sum of its proper divisors (31575012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16472988 is a wasteful number, since it uses less digits than its factorization.
16472988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 647 (or 642 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 16472988 is about 4058.6928930383. The cubic root of 16472988 is about 254.4431678853.
The spelling of 16472988 in words is "sixteen million, four hundred seventy-two thousand, nine hundred eighty-eight".
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