Base | Representation |
---|---|
bin | 1010010101111… |
… | …11100111001111 |
3 | 20001021021102120 |
4 | 11022333213033 |
5 | 134203034304 |
6 | 12335424023 |
7 | 2102342106 |
oct | 512774717 |
9 | 201237376 |
10 | 86768079 |
11 | 44a84162 |
12 | 25085013 |
13 | 14c8cb78 |
14 | b74903d |
15 | 793e0d9 |
hex | 52bf9cf |
86768079 has 16 divisors (see below), whose sum is σ = 121994880. Its totient is φ = 54704160.
The previous prime is 86768057. The next prime is 86768081. The reversal of 86768079 is 97086768.
It is a happy number.
It is not a de Polignac number, because 86768079 - 28 = 86767823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86768089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45289 + ... + 47165.
It is an arithmetic number, because the mean of its divisors is an integer number (7624680).
Almost surely, 286768079 is an apocalyptic number.
86768079 is a deficient number, since it is larger than the sum of its proper divisors (35226801).
86768079 is a wasteful number, since it uses less digits than its factorization.
86768079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2710.
The product of its (nonzero) digits is 1016064, while the sum is 51.
The square root of 86768079 is about 9314.9384861093. The cubic root of 86768079 is about 442.7106750013.
The spelling of 86768079 in words is "eighty-six million, seven hundred sixty-eight thousand, seventy-nine".
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