Base | Representation |
---|---|
bin | 101000010001011… |
… | …110100101110101 |
3 | 1202002101121112020 |
4 | 220101132211311 |
5 | 2340432423024 |
6 | 151013543353 |
7 | 22513050342 |
oct | 5021364565 |
9 | 1662347466 |
10 | 675670389 |
11 | 317442189 |
12 | 16a344b59 |
13 | a9ca1384 |
14 | 65a437c9 |
15 | 3e4b8979 |
hex | 2845e975 |
675670389 has 16 divisors (see below), whose sum is σ = 984660480. Its totient is φ = 410273280.
The previous prime is 675670367. The next prime is 675670397. The reversal of 675670389 is 983076576.
675670389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 675670389 - 28 = 675670133 is a prime.
It is a super-2 number, since 2×6756703892 = 913060949142822642, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (675670339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212104 + ... + 215265.
It is an arithmetic number, because the mean of its divisors is an integer number (61541280).
Almost surely, 2675670389 is an apocalyptic number.
It is an amenable number.
675670389 is a deficient number, since it is larger than the sum of its proper divisors (308990091).
675670389 is a wasteful number, since it uses less digits than its factorization.
675670389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427420.
The product of its (nonzero) digits is 1905120, while the sum is 51.
The square root of 675670389 is about 25993.6605540659. The cubic root of 675670389 is about 877.4956297215.
The spelling of 675670389 in words is "six hundred seventy-five million, six hundred seventy thousand, three hundred eighty-nine".
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