Base | Representation |
---|---|
bin | 1010011000111… |
… | …00000011001000 |
3 | 20001222111210102 |
4 | 11030130003020 |
5 | 134302143241 |
6 | 12351504532 |
7 | 2105510000 |
oct | 514340310 |
9 | 201874712 |
10 | 87146696 |
11 | 4521266a |
12 | 25228148 |
13 | 150932c0 |
14 | b807000 |
15 | 79b639b |
hex | 531c0c8 |
87146696 has 80 divisors (see below), whose sum is σ = 205873500. Its totient is φ = 34376832.
The previous prime is 87146663. The next prime is 87146723. The reversal of 87146696 is 69664178.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 86676100 + 470596 = 9310^2 + 686^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 87146696.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 249530 + ... + 249878.
Almost surely, 287146696 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87146696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102936750).
87146696 is an abundant number, since it is smaller than the sum of its proper divisors (118726804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87146696 is a wasteful number, since it uses less digits than its factorization.
87146696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396 (or 371 counting only the distinct ones).
The product of its digits is 435456, while the sum is 47.
The square root of 87146696 is about 9335.2394720221. The cubic root of 87146696 is about 443.3536709661.
The spelling of 87146696 in words is "eighty-seven million, one hundred forty-six thousand, six hundred ninety-six".
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