Base | Representation |
---|---|
bin | 1010010101101… |
… | …10010100100111 |
3 | 20001012100020002 |
4 | 11022312110213 |
5 | 134200330043 |
6 | 12334531515 |
7 | 2102123132 |
oct | 512662447 |
9 | 201170202 |
10 | 86730023 |
11 | 44a58606 |
12 | 25066b9b |
13 | 14c78753 |
14 | b739219 |
15 | 7932bb8 |
hex | 52b6527 |
86730023 has 4 divisors (see below), whose sum is σ = 87354120. Its totient is φ = 86105928.
The previous prime is 86730019. The next prime is 86730029. The reversal of 86730023 is 32003768.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86730023 - 22 = 86730019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86730029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311840 + ... + 312117.
It is an arithmetic number, because the mean of its divisors is an integer number (21838530).
Almost surely, 286730023 is an apocalyptic number.
86730023 is a deficient number, since it is larger than the sum of its proper divisors (624097).
86730023 is a wasteful number, since it uses less digits than its factorization.
86730023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624096.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 86730023 is about 9312.8955218020. The cubic root of 86730023 is about 442.6459420513.
The spelling of 86730023 in words is "eighty-six million, seven hundred thirty thousand, twenty-three".
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