Base | Representation |
---|---|
bin | 1010010111001… |
… | …01100000101001 |
3 | 20001120011100200 |
4 | 11023211200221 |
5 | 134223021210 |
6 | 12343022413 |
7 | 2103556500 |
oct | 513454051 |
9 | 201504320 |
10 | 86923305 |
11 | 4507a847 |
12 | 2513aa09 |
13 | 15015711 |
14 | b789837 |
15 | 79700c0 |
hex | 52e5829 |
86923305 has 72 divisors (see below), whose sum is σ = 177840000. Its totient is φ = 39154752.
The previous prime is 86923303. The next prime is 86923307. The reversal of 86923305 is 50332968.
It is an interprime number because it is at equal distance from previous prime (86923303) and next prime (86923307).
It is not a de Polignac number, because 86923305 - 21 = 86923303 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 86923305.
It is not an unprimeable number, because it can be changed into a prime (86923303) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 173946 + ... + 174444.
It is an arithmetic number, because the mean of its divisors is an integer number (2470000).
Almost surely, 286923305 is an apocalyptic number.
It is an amenable number.
86923305 is an abundant number, since it is smaller than the sum of its proper divisors (90916695).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86923305 is a wasteful number, since it uses less digits than its factorization.
86923305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603 (or 593 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 86923305 is about 9323.2668630690. The cubic root of 86923305 is about 442.9745173003.
The spelling of 86923305 in words is "eighty-six million, nine hundred twenty-three thousand, three hundred five".
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