Base | Representation |
---|---|
bin | 1010001100001… |
… | …01010110110111 |
3 | 12221211212201210 |
4 | 11012011112313 |
5 | 133340342022 |
6 | 12252052503 |
7 | 2055401262 |
oct | 506052667 |
9 | 187755653 |
10 | 85480887 |
11 | 44285068 |
12 | 24764133 |
13 | 1492c00b |
14 | b4d1cd9 |
15 | 7787a0c |
hex | 51855b7 |
85480887 has 4 divisors (see below), whose sum is σ = 113974520. Its totient is φ = 56987256.
The previous prime is 85480877. The next prime is 85480907. The reversal of 85480887 is 78808458.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 85480887 - 26 = 85480823 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85480807) 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, 14246812 + ... + 14246817.
It is an arithmetic number, because the mean of its divisors is an integer number (28493630).
Almost surely, 285480887 is an apocalyptic number.
85480887 is a deficient number, since it is larger than the sum of its proper divisors (28493633).
85480887 is a wasteful number, since it uses less digits than its factorization.
85480887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28493632.
The product of its (nonzero) digits is 573440, while the sum is 48.
The square root of 85480887 is about 9245.5874340141. The cubic root of 85480887 is about 440.5105763747.
The spelling of 85480887 in words is "eighty-five million, four hundred eighty thousand, eight hundred eighty-seven".
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