Base | Representation |
---|---|
bin | 11011001011100001001010 |
3 | 111101222202100 |
4 | 123023201022 |
5 | 3311000231 |
6 | 412414230 |
7 | 114363534 |
oct | 33134112 |
9 | 14358670 |
10 | 7125066 |
11 | 4027193 |
12 | 2477376 |
13 | 1626120 |
14 | d36854 |
15 | 95b1e6 |
hex | 6cb84a |
7125066 has 24 divisors (see below), whose sum is σ = 16625700. Its totient is φ = 2192256.
The previous prime is 7125061. The next prime is 7125067. The reversal of 7125066 is 6605217.
It can be written as a sum of positive squares in 2 ways, for example, as 5978025 + 1147041 = 2445^2 + 1071^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (7125061) 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 11 ways as a sum of consecutive naturals, for example, 14991 + ... + 15458.
Almost surely, 27125066 is an apocalyptic number.
7125066 is an abundant number, since it is smaller than the sum of its proper divisors (9500634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7125066 is a wasteful number, since it uses less digits than its factorization.
7125066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30470 (or 30467 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 7125066 is about 2669.2819259119. The cubic root of 7125066 is about 192.4256507166.
It can be divided in two parts, 712 and 5066, that added together give a triangular number (5778 = T107).
The spelling of 7125066 in words is "seven million, one hundred twenty-five thousand, sixty-six".
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