Base | Representation |
---|---|
bin | 111111101101… |
… | …011011011001 |
3 | 1011102111122221 |
4 | 333231123121 |
5 | 13233414040 |
6 | 1353544041 |
7 | 261646246 |
oct | 77553331 |
9 | 34374587 |
10 | 16701145 |
11 | 94778aa |
12 | 5715021 |
13 | 35c9a46 |
14 | 230a5cd |
15 | 16ed74a |
hex | fed6d9 |
16701145 has 16 divisors (see below), whose sum is σ = 20675088. Its totient is φ = 12943360.
The previous prime is 16701137. The next prime is 16701149. The reversal of 16701145 is 54110761.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1420864 + 15280281 = 1192^2 + 3909^2 .
It is not a de Polignac number, because 16701145 - 23 = 16701137 is a prime.
It is a super-2 number, since 2×167011452 = 557856488622050, which contains 22 as substring.
It is a Duffinian number.
It is a nialpdrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (16701149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52527 + ... + 52843.
It is an arithmetic number, because the mean of its divisors is an integer number (1292193).
Almost surely, 216701145 is an apocalyptic number.
It is an amenable number.
16701145 is a deficient number, since it is larger than the sum of its proper divisors (3973943).
16701145 is a wasteful number, since it uses less digits than its factorization.
16701145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620.
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 16701145 is about 4086.7034392038. The cubic root of 16701145 is about 255.6124966236.
The spelling of 16701145 in words is "sixteen million, seven hundred one thousand, one hundred forty-five".
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