Base | Representation |
---|---|
bin | 111110101111011… |
… | …100100100100101 |
3 | 2201100200220022010 |
4 | 332233130210211 |
5 | 4123433001224 |
6 | 252241224433 |
7 | 35041111050 |
oct | 7657344445 |
9 | 2640626263 |
10 | 1052625189 |
11 | 4a01a7980 |
12 | 254632119 |
13 | 13a104455 |
14 | 9db29a97 |
15 | 62628e29 |
hex | 3ebdc925 |
1052625189 has 32 divisors (see below), whose sum is σ = 1752459264. Its totient is φ = 545993280.
The previous prime is 1052625143. The next prime is 1052625221. The reversal of 1052625189 is 9815262501.
It is not a de Polignac number, because 1052625189 - 211 = 1052623141 is a prime.
It is a super-2 number, since 2×10526251892 = 2216039577034571442, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1052625109) 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, 168567 + ... + 174699.
It is an arithmetic number, because the mean of its divisors is an integer number (54764352).
Almost surely, 21052625189 is an apocalyptic number.
It is an amenable number.
1052625189 is a deficient number, since it is larger than the sum of its proper divisors (699834075).
1052625189 is a wasteful number, since it uses less digits than its factorization.
1052625189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6897.
The product of its (nonzero) digits is 43200, while the sum is 39.
The square root of 1052625189 is about 32444.1857503005. The cubic root of 1052625189 is about 1017.2427098091.
The spelling of 1052625189 in words is "one billion, fifty-two million, six hundred twenty-five thousand, one hundred eighty-nine".
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