Base | Representation |
---|---|
bin | 111101001100… |
… | …101101011101 |
3 | 1010012001122110 |
4 | 331030231131 |
5 | 13101332340 |
6 | 1331504233 |
7 | 253235100 |
oct | 75145535 |
9 | 33161573 |
10 | 16042845 |
11 | 9068255 |
12 | 5458079 |
13 | 3429210 |
14 | 21b8737 |
15 | 161d680 |
hex | f4cb5d |
16042845 has 96 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 6386688.
The previous prime is 16042811. The next prime is 16042847. The reversal of 16042845 is 54824061.
It is not a de Polignac number, because 16042845 - 210 = 16041821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16042847) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 219729 + ... + 219801.
It is an arithmetic number, because the mean of its divisors is an integer number (354312).
Almost surely, 216042845 is an apocalyptic number.
16042845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16042845 is an abundant number, since it is smaller than the sum of its proper divisors (17971107).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16042845 is a wasteful number, since it uses less digits than its factorization.
16042845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131 (or 124 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 16042845 is about 4005.3520444525. The cubic root of 16042845 is about 252.2089316664.
The spelling of 16042845 in words is "sixteen million, forty-two thousand, eight hundred forty-five".
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