Base | Representation |
---|---|
bin | 111101100101… |
… | …101010010101 |
3 | 1010101020211122 |
4 | 331211222111 |
5 | 13113120140 |
6 | 1334013325 |
7 | 254142050 |
oct | 75455225 |
9 | 33336748 |
10 | 16145045 |
11 | 9128014 |
12 | 54a7245 |
13 | 34638a7 |
14 | 2203a97 |
15 | 163dab5 |
hex | f65a95 |
16145045 has 32 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 10644480.
The previous prime is 16145033. The next prime is 16145047. The reversal of 16145045 is 54054161.
It is not a de Polignac number, because 16145045 - 210 = 16144021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16145047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181361 + ... + 181449.
It is an arithmetic number, because the mean of its divisors is an integer number (719280).
Almost surely, 216145045 is an apocalyptic number.
It is an amenable number.
16145045 is a deficient number, since it is larger than the sum of its proper divisors (6871915).
16145045 is an equidigital number, since it uses as much as digits as its factorization.
16145045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 16145045 is about 4018.0897202526. The cubic root of 16145045 is about 252.7433591408.
It can be divided in two parts, 1614 and 5045, that multiplied together give a triangular number (8142630 = T4035).
The spelling of 16145045 in words is "sixteen million, one hundred forty-five thousand, forty-five".
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