Base | Representation |
---|---|
bin | 100000010100… |
… | …0001110011100 |
3 | 1011212202000202 |
4 | 1000220032130 |
5 | 13314120410 |
6 | 1403043032 |
7 | 264001346 |
oct | 100501634 |
9 | 34782022 |
10 | 16941980 |
11 | 9621840 |
12 | 5810478 |
13 | 3682553 |
14 | 2370296 |
15 | 1749ca5 |
hex | 102839c |
16941980 has 48 divisors (see below), whose sum is σ = 39572064. Its totient is φ = 6040320.
The previous prime is 16941973. The next prime is 16941989. The reversal of 16941980 is 8914961.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16941989) 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, 10934 + ... + 12386.
It is an arithmetic number, because the mean of its divisors is an integer number (824418).
Almost surely, 216941980 is an apocalyptic number.
16941980 is a gapful number since it is divisible by the number (10) 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 16941980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19786032).
16941980 is an abundant number, since it is smaller than the sum of its proper divisors (22630084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16941980 is a wasteful number, since it uses less digits than its factorization.
16941980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1526 (or 1524 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 16941980 is about 4116.0636535408. The cubic root of 16941980 is about 256.8353045537.
The spelling of 16941980 in words is "sixteen million, nine hundred forty-one thousand, nine hundred eighty".
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