Base | Representation |
---|---|
bin | 101010001000001… |
… | …010011010111010 |
3 | 1211020221021212200 |
4 | 222020022122322 |
5 | 2421414023111 |
6 | 154044451030 |
7 | 23341361364 |
oct | 5210123272 |
9 | 1736837780 |
10 | 706782906 |
11 | 332a62505 |
12 | 178849a76 |
13 | b357584b |
14 | 69c21d34 |
15 | 420b2256 |
hex | 2a20a6ba |
706782906 has 12 divisors (see below), whose sum is σ = 1531363002. Its totient is φ = 235594296.
The previous prime is 706782823. The next prime is 706782907. The reversal of 706782906 is 609287607.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 705699225 + 1083681 = 26565^2 + 1041^2 .
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (706782907) 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 5 ways as a sum of consecutive naturals, for example, 19632841 + ... + 19632876.
Almost surely, 2706782906 is an apocalyptic number.
706782906 is an abundant number, since it is smaller than the sum of its proper divisors (824580096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
706782906 is a wasteful number, since it uses less digits than its factorization.
706782906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39265725 (or 39265722 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 706782906 is about 26585.3889570945. The cubic root of 706782906 is about 890.7626783132.
The spelling of 706782906 in words is "seven hundred six million, seven hundred eighty-two thousand, nine hundred six".
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