Base | Representation |
---|---|
bin | 1010001111001… |
… | …10111110001000 |
3 | 12222121012012010 |
4 | 11013212332020 |
5 | 133441140322 |
6 | 12304415520 |
7 | 2061655041 |
oct | 507467610 |
9 | 188535163 |
10 | 85880712 |
11 | 445284a5 |
12 | 249175a0 |
13 | 14a3bcb8 |
14 | b5978c8 |
15 | 781620c |
hex | 51e6f88 |
85880712 has 32 divisors (see below), whose sum is σ = 224038080. Its totient is φ = 27382080.
The previous prime is 85880701. The next prime is 85880731. The reversal of 85880712 is 21708858.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77239 + ... + 78342.
It is an arithmetic number, because the mean of its divisors is an integer number (7001190).
Almost surely, 285880712 is an apocalyptic number.
It is an amenable number.
85880712 is an abundant number, since it is smaller than the sum of its proper divisors (138157368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85880712 is a wasteful number, since it uses less digits than its factorization.
85880712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155613 (or 155609 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 39.
The square root of 85880712 is about 9267.1846857608. The cubic root of 85880712 is about 441.1963173838.
The spelling of 85880712 in words is "eighty-five million, eight hundred eighty thousand, seven hundred twelve".
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