Base | Representation |
---|---|
bin | 1010001110000… |
… | …01111101100110 |
3 | 12222022111020211 |
4 | 11013001331212 |
5 | 133421313001 |
6 | 12301250034 |
7 | 2060454100 |
oct | 507017546 |
9 | 188274224 |
10 | 85729126 |
11 | 4443461a |
12 | 2486391a |
13 | 149b7cc2 |
14 | b558570 |
15 | 77d6351 |
hex | 51c1f66 |
85729126 has 24 divisors (see below), whose sum is σ = 150079176. Its totient is φ = 36620640.
The previous prime is 85729109. The next prime is 85729139. The reversal of 85729126 is 62192758.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32746 + ... + 35266.
It is an arithmetic number, because the mean of its divisors is an integer number (6253299).
Almost surely, 285729126 is an apocalyptic number.
85729126 is a deficient number, since it is larger than the sum of its proper divisors (64350050).
85729126 is a wasteful number, since it uses less digits than its factorization.
85729126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2884 (or 2877 counting only the distinct ones).
The product of its digits is 60480, while the sum is 40.
The square root of 85729126 is about 9259.0024300677. The cubic root of 85729126 is about 440.9365828016.
The spelling of 85729126 in words is "eighty-five million, seven hundred twenty-nine thousand, one hundred twenty-six".
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