Base | Representation |
---|---|
bin | 1010001111101… |
… | …10110000000111 |
3 | 12222201110212011 |
4 | 11013312300013 |
5 | 134000222401 |
6 | 12310035051 |
7 | 2062344352 |
oct | 507666007 |
9 | 188643764 |
10 | 85945351 |
11 | 44572018 |
12 | 24948a87 |
13 | 14a6254b |
14 | b5b3299 |
15 | 782a451 |
hex | 51f6c07 |
85945351 has 4 divisors (see below), whose sum is σ = 85992192. Its totient is φ = 85898512.
The previous prime is 85945337. The next prime is 85945369. The reversal of 85945351 is 15354958.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-85945351 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85925351) 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, 20551 + ... + 24376.
It is an arithmetic number, because the mean of its divisors is an integer number (21498048).
Almost surely, 285945351 is an apocalyptic number.
85945351 is a deficient number, since it is larger than the sum of its proper divisors (46841).
85945351 is a wasteful number, since it uses less digits than its factorization.
85945351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46840.
The product of its digits is 108000, while the sum is 40.
The square root of 85945351 is about 9270.6715506483. The cubic root of 85945351 is about 441.3069799380.
The spelling of 85945351 in words is "eighty-five million, nine hundred forty-five thousand, three hundred fifty-one".
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