Base | Representation |
---|---|
bin | 101101110100001… |
… | …011011001101010 |
3 | 1222120100121120011 |
4 | 231310023121222 |
5 | 3033233343111 |
6 | 204134522134 |
7 | 25022304400 |
oct | 5564133152 |
9 | 1876317504 |
10 | 768652906 |
11 | 36498033a |
12 | 19550634a |
13 | c3328a08 |
14 | 74129470 |
15 | 47734021 |
hex | 2dd0b66a |
768652906 has 24 divisors (see below), whose sum is σ = 1349477280. Its totient is φ = 327394872.
The previous prime is 768652901. The next prime is 768652921. The reversal of 768652906 is 609256867.
It is a happy number.
It is a super-3 number, since 3×7686529063 (a number of 28 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a self number, because there is not a number n which added to its sum of digits gives 768652906.
It is not an unprimeable number, because it can be changed into a prime (768652901) 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, 8086 + ... + 40033.
It is an arithmetic number, because the mean of its divisors is an integer number (56228220).
Almost surely, 2768652906 is an apocalyptic number.
768652906 is a deficient number, since it is larger than the sum of its proper divisors (580824374).
768652906 is a wasteful number, since it uses less digits than its factorization.
768652906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48298 (or 48291 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 49.
The square root of 768652906 is about 27724.5902765036. The cubic root of 768652906 is about 916.0308312309.
The spelling of 768652906 in words is "seven hundred sixty-eight million, six hundred fifty-two thousand, nine hundred six".
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