Base | Representation |
---|---|
bin | 1010011101100… |
… | …11110101011110 |
3 | 20010011002122000 |
4 | 11032303311132 |
5 | 134432042124 |
6 | 12413103130 |
7 | 2114006406 |
oct | 516636536 |
9 | 203132560 |
10 | 87768414 |
11 | 455a7788 |
12 | 25487aa6 |
13 | 15250296 |
14 | b929806 |
15 | 7a8a6c9 |
hex | 53b3d5e |
87768414 has 32 divisors (see below), whose sum is σ = 203523840. Its totient is φ = 27983736.
The previous prime is 87768379. The next prime is 87768419. The reversal of 87768414 is 41486778.
It is a self number, because there is not a number n which added to its sum of digits gives 87768414.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87768419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34092 + ... + 36575.
It is an arithmetic number, because the mean of its divisors is an integer number (6360120).
Almost surely, 287768414 is an apocalyptic number.
87768414 is an abundant number, since it is smaller than the sum of its proper divisors (115755426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87768414 is a wasteful number, since it uses less digits than its factorization.
87768414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70701 (or 70695 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 87768414 is about 9368.4798126484. The cubic root of 87768414 is about 444.4054915074.
The spelling of 87768414 in words is "eighty-seven million, seven hundred sixty-eight thousand, four hundred fourteen".
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