Base | Representation |
---|---|
bin | 101101011000011… |
… | …110010100011001 |
3 | 1222001200122020000 |
4 | 231120132110121 |
5 | 3024403442421 |
6 | 203315123213 |
7 | 24603465654 |
oct | 5530362431 |
9 | 1861618200 |
10 | 761390361 |
11 | 36086a936 |
12 | 192ba3509 |
13 | c1985154 |
14 | 7319889b |
15 | 46c9c226 |
hex | 2d61e519 |
761390361 has 20 divisors (see below), whose sum is σ = 1138368000. Its totient is φ = 507155256.
The previous prime is 761390351. The next prime is 761390381. The reversal of 761390361 is 163093167.
761390361 is a `hidden beast` number, since 7 + 613 + 9 + 0 + 36 + 1 = 666.
761390361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 761390361 - 221 = 759293209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (761390351) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109960 + ... + 116678.
It is an arithmetic number, because the mean of its divisors is an integer number (56918400).
Almost surely, 2761390361 is an apocalyptic number.
It is an amenable number.
761390361 is a deficient number, since it is larger than the sum of its proper divisors (376977639).
761390361 is a wasteful number, since it uses less digits than its factorization.
761390361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8130 (or 8121 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 761390361 is about 27593.3028287663. The cubic root of 761390361 is about 913.1366864747.
The spelling of 761390361 in words is "seven hundred sixty-one million, three hundred ninety thousand, three hundred sixty-one".
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