Base | Representation |
---|---|
bin | 111101000100… |
… | …010011100100 |
3 | 1010010022102110 |
4 | 331010103210 |
5 | 13044232140 |
6 | 1331041020 |
7 | 253032531 |
oct | 75042344 |
9 | 33108373 |
10 | 16008420 |
11 | 90443aa |
12 | 5440170 |
13 | 341664c |
14 | 21a9d88 |
15 | 1613380 |
hex | f444e4 |
16008420 has 48 divisors (see below), whose sum is σ = 46041408. Its totient is φ = 4152960.
The previous prime is 16008403. The next prime is 16008449. The reversal of 16008420 is 2480061.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 5825.
It is an arithmetic number, because the mean of its divisors is an integer number (959196).
Almost surely, 216008420 is an apocalyptic number.
16008420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16008420 is an abundant number, since it is smaller than the sum of its proper divisors (30032988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16008420 is a wasteful number, since it uses less digits than its factorization.
16008420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7260 (or 7258 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 16008420 is about 4001.0523615669. The cubic root of 16008420 is about 252.0284044576.
Adding to 16008420 its reverse (2480061), we get a palindrome (18488481).
The spelling of 16008420 in words is "sixteen million, eight thousand, four hundred twenty".
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