Base | Representation |
---|---|
bin | 111110010010… |
… | …110110100001 |
3 | 1010201122202012 |
4 | 332102312201 |
5 | 13140031040 |
6 | 1342002305 |
7 | 255542516 |
oct | 76226641 |
9 | 33648665 |
10 | 16330145 |
11 | 9244097 |
12 | 5576395 |
13 | 34c9c10 |
14 | 225130d |
15 | 1678865 |
hex | f92da1 |
16330145 has 8 divisors (see below), whose sum is σ = 21103656. Its totient is φ = 12059136.
The previous prime is 16330123. The next prime is 16330147. The reversal of 16330145 is 54103361.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 258064 + 16072081 = 508^2 + 4009^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 16330145 - 28 = 16329889 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 16330145.
It is not an unprimeable number, because it can be changed into a prime (16330147) by changing a digit.
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, 125552 + ... + 125681.
It is an arithmetic number, because the mean of its divisors is an integer number (2637957).
Almost surely, 216330145 is an apocalyptic number.
It is an amenable number.
16330145 is a deficient number, since it is larger than the sum of its proper divisors (4773511).
16330145 is a wasteful number, since it uses less digits than its factorization.
16330145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251251.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 16330145 is about 4041.0574111240. The cubic root of 16330145 is about 253.7055767640.
The spelling of 16330145 in words is "sixteen million, three hundred thirty thousand, one hundred forty-five".
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