Base | Representation |
---|---|
bin | 1010001001011… |
… | …11110100111000 |
3 | 12221012002011102 |
4 | 11010233310320 |
5 | 133243134202 |
6 | 12240350532 |
7 | 2052412013 |
oct | 504576470 |
9 | 187162142 |
10 | 85130552 |
11 | 44065931 |
12 | 24615448 |
13 | 14838710 |
14 | b44037a |
15 | 7718d02 |
hex | 512fd38 |
85130552 has 32 divisors (see below), whose sum is σ = 172487280. Its totient is φ = 39156480.
The previous prime is 85130533. The next prime is 85130587. The reversal of 85130552 is 25503158.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 33188 + ... + 35660.
Almost surely, 285130552 is an apocalyptic number.
It is an amenable number.
85130552 is an abundant number, since it is smaller than the sum of its proper divisors (87356728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85130552 is a wasteful number, since it uses less digits than its factorization.
85130552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2823 (or 2819 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 29.
The square root of 85130552 is about 9226.6219170398. The cubic root of 85130552 is about 439.9079559532.
The spelling of 85130552 in words is "eighty-five million, one hundred thirty thousand, five hundred fifty-two".
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