Base | Representation |
---|---|
bin | 111110111001… |
… | …001010000101 |
3 | 1011000121222022 |
4 | 332321022011 |
5 | 13210041140 |
6 | 1345212525 |
7 | 260065121 |
oct | 76711205 |
9 | 34017868 |
10 | 16487045 |
11 | 9340a63 |
12 | 5631145 |
13 | 3553463 |
14 | 2292581 |
15 | 16aa0b5 |
hex | fb9285 |
16487045 has 8 divisors (see below), whose sum is σ = 19825560. Its totient is φ = 13162240.
The previous prime is 16487033. The next prime is 16487057. The reversal of 16487045 is 54078461.
It is an interprime number because it is at equal distance from previous prime (16487033) and next prime (16487057).
It can be written as a sum of positive squares in 4 ways, for example, as 1940449 + 14546596 = 1393^2 + 3814^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-16487045 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16486996 and 16487014.
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 7 ways as a sum of consecutive naturals, for example, 560 + ... + 5769.
It is an arithmetic number, because the mean of its divisors is an integer number (2478195).
Almost surely, 216487045 is an apocalyptic number.
It is an amenable number.
16487045 is a deficient number, since it is larger than the sum of its proper divisors (3338515).
16487045 is an equidigital number, since it uses as much as digits as its factorization.
16487045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6855.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 16487045 is about 4060.4242389189. The cubic root of 16487045 is about 254.5155225124.
The spelling of 16487045 in words is "sixteen million, four hundred eighty-seven thousand, forty-five".
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