Base | Representation |
---|---|
bin | 111101100101… |
… | …000100011100 |
3 | 1010101010111211 |
4 | 331211010130 |
5 | 13113030440 |
6 | 1333554204 |
7 | 254132014 |
oct | 75450434 |
9 | 33333454 |
10 | 16142620 |
11 | 912620a |
12 | 54a5964 |
13 | 3462760 |
14 | 2202c44 |
15 | 163ceea |
hex | f6511c |
16142620 has 48 divisors (see below), whose sum is σ = 37312128. Its totient is φ = 5829120.
The previous prime is 16142617. The next prime is 16142629. The reversal of 16142620 is 2624161.
16142620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 16142591 and 16142600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16142629) 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, 11560 + ... + 12880.
It is an arithmetic number, because the mean of its divisors is an integer number (777336).
It is a vampire number, since it can be written as 2642 ⋅ 6110 (with its own digits).
Almost surely, 216142620 is an apocalyptic number.
16142620 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 16142620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18656064).
16142620 is an abundant number, since it is smaller than the sum of its proper divisors (21169508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16142620 is a wasteful number, since it uses less digits than its factorization.
16142620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390 (or 1388 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 16142620 is about 4017.7879486105. The cubic root of 16142620 is about 252.7307044153.
Adding to 16142620 its reverse (2624161), we get a palindrome (18766781).
The spelling of 16142620 in words is "sixteen million, one hundred forty-two thousand, six hundred twenty".
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