Base | Representation |
---|---|
bin | 1010001111000… |
… | …00001000101111 |
3 | 12222112202210100 |
4 | 11013200020233 |
5 | 133434241334 |
6 | 12304042143 |
7 | 2061510321 |
oct | 507401057 |
9 | 188482710 |
10 | 85852719 |
11 | 44509467 |
12 | 24903353 |
13 | 14a2c334 |
14 | b58b611 |
15 | 780cc99 |
hex | 51e022f |
85852719 has 6 divisors (see below), whose sum is σ = 124009496. Its totient is φ = 57235140.
The previous prime is 85852709. The next prime is 85852747. The reversal of 85852719 is 91725858.
It is a happy number.
It is not a de Polignac number, because 85852719 - 25 = 85852687 is a prime.
It is a super-2 number, since 2×858527192 = 14741378719385922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85852709) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4769587 + ... + 4769604.
Almost surely, 285852719 is an apocalyptic number.
85852719 is a deficient number, since it is larger than the sum of its proper divisors (38156777).
85852719 is a wasteful number, since it uses less digits than its factorization.
85852719 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9539197 (or 9539194 counting only the distinct ones).
The product of its digits is 201600, while the sum is 45.
The square root of 85852719 is about 9265.6742334274. The cubic root of 85852719 is about 441.1483758831.
The spelling of 85852719 in words is "eighty-five million, eight hundred fifty-two thousand, seven hundred nineteen".
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