Base | Representation |
---|---|
bin | 10001011000100… |
… | …10101100000101 |
3 | 101011101212020202 |
4 | 20230102230011 |
5 | 244313003423 |
6 | 22245340245 |
7 | 3420344210 |
oct | 1054225405 |
9 | 334355222 |
10 | 145828613 |
11 | 75353217 |
12 | 40a07685 |
13 | 2429b328 |
14 | 15520777 |
15 | cc08728 |
hex | 8b12b05 |
145828613 has 16 divisors (see below), whose sum is σ = 169977216. Its totient is φ = 122523840.
The previous prime is 145828597. The next prime is 145828621. The reversal of 145828613 is 316828541.
It is a cyclic number.
It is not a de Polignac number, because 145828613 - 24 = 145828597 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145828633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222995 + ... + 223647.
It is an arithmetic number, because the mean of its divisors is an integer number (10623576).
Almost surely, 2145828613 is an apocalyptic number.
It is an amenable number.
145828613 is a deficient number, since it is larger than the sum of its proper divisors (24148603).
145828613 is an equidigital number, since it uses as much as digits as its factorization.
145828613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1244.
The product of its digits is 46080, while the sum is 38.
The square root of 145828613 is about 12075.9518465420. The cubic root of 145828613 is about 526.3576206343.
The spelling of 145828613 in words is "one hundred forty-five million, eight hundred twenty-eight thousand, six hundred thirteen".
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