Base | Representation |
---|---|
bin | 101010011101000… |
… | …110100101010000 |
3 | 1211122021011210011 |
4 | 222131012211100 |
5 | 2424320202313 |
6 | 154402244304 |
7 | 23436133234 |
oct | 5235064520 |
9 | 1748234704 |
10 | 712272208 |
11 | 33607171a |
12 | 17a656694 |
13 | b474825b |
14 | 6a8505c4 |
15 | 427e893d |
hex | 2a746950 |
712272208 has 20 divisors (see below), whose sum is σ = 1380450708. Its totient is φ = 356026880.
The previous prime is 712272203. The next prime is 712272241. The reversal of 712272208 is 802272217.
It can be written as a sum of positive squares in 2 ways, for example, as 390141504 + 322130704 = 19752^2 + 17948^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 712272208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (712272203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81960 + ... + 90232.
Almost surely, 2712272208 is an apocalyptic number.
It is an amenable number.
712272208 is a deficient number, since it is larger than the sum of its proper divisors (668178500).
712272208 is a wasteful number, since it uses less digits than its factorization.
712272208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13662 (or 13656 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 31.
The square root of 712272208 is about 26688.4283538765. The cubic root of 712272208 is about 893.0628004357.
Subtracting 712272208 from its reverse (802272217), we obtain a palindrome (90000009).
The spelling of 712272208 in words is "seven hundred twelve million, two hundred seventy-two thousand, two hundred eight".
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