Base | Representation |
---|---|
bin | 101101011000001… |
… | …001111101000101 |
3 | 1222001112101210200 |
4 | 231120021331011 |
5 | 3024343310244 |
6 | 203313241113 |
7 | 24603000534 |
oct | 5530117505 |
9 | 1861471720 |
10 | 761306949 |
11 | 3608131a7 |
12 | 192b63199 |
13 | c19561b0 |
14 | 7317631b |
15 | 46c82669 |
hex | 2d609f45 |
761306949 has 12 divisors (see below), whose sum is σ = 1184255436. Its totient is φ = 468496512.
The previous prime is 761306947. The next prime is 761306957. The reversal of 761306949 is 949603167.
761306949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 98604900 + 662702049 = 9930^2 + 25743^2 .
It is not a de Polignac number, because 761306949 - 21 = 761306947 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (761306941) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3253332 + ... + 3253565.
It is an arithmetic number, because the mean of its divisors is an integer number (98687953).
Almost surely, 2761306949 is an apocalyptic number.
It is an amenable number.
761306949 is a deficient number, since it is larger than the sum of its proper divisors (422948487).
761306949 is a wasteful number, since it uses less digits than its factorization.
761306949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6506916 (or 6506913 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 761306949 is about 27591.7913336557. The cubic root of 761306949 is about 913.1033398750.
The spelling of 761306949 in words is "seven hundred sixty-one million, three hundred six thousand, nine hundred forty-nine".
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