Base | Representation |
---|---|
bin | 111101000101… |
… | …011000011110 |
3 | 1010010112110210 |
4 | 331011120132 |
5 | 13044402310 |
6 | 1331113250 |
7 | 253051431 |
oct | 75053036 |
9 | 33115423 |
10 | 16012830 |
11 | 9047749 |
12 | 5442826 |
13 | 3418662 |
14 | 21ab818 |
15 | 1614820 |
hex | f4561e |
16012830 has 48 divisors (see below), whose sum is σ = 40214160. Its totient is φ = 4080384.
The previous prime is 16012819. The next prime is 16012859. The reversal of 16012830 is 3821061.
It is a junction number, because it is equal to n+sod(n) for n = 16012797 and 16012806.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15366 + ... + 16374.
It is an arithmetic number, because the mean of its divisors is an integer number (837795).
Almost surely, 216012830 is an apocalyptic number.
16012830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 16012830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20107080).
16012830 is an abundant number, since it is smaller than the sum of its proper divisors (24201330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16012830 is a wasteful number, since it uses less digits than its factorization.
16012830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065 (or 1042 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 16012830 is about 4001.6034286271. The cubic root of 16012830 is about 252.0515452635.
Adding to 16012830 its reverse (3821061), we get a palindrome (19833891).
The spelling of 16012830 in words is "sixteen million, twelve thousand, eight hundred thirty".
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