Base | Representation |
---|---|
bin | 1010011011000… |
… | …11111001101000 |
3 | 20002112110111120 |
4 | 11031203321220 |
5 | 134341103000 |
6 | 12402055240 |
7 | 2111144013 |
oct | 515437150 |
9 | 202473446 |
10 | 87441000 |
11 | 453a3799 |
12 | 2534a520 |
13 | 1516724a |
14 | b88237a |
15 | 7a236a0 |
hex | 5363e68 |
87441000 has 64 divisors (see below), whose sum is σ = 272825280. Its totient is φ = 23316800.
The previous prime is 87440989. The next prime is 87441001. The reversal of 87441000 is 14478.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nialpdrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (87441001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11574 + ... + 17573.
It is an arithmetic number, because the mean of its divisors is an integer number (4262895).
Almost surely, 287441000 is an apocalyptic number.
It is an amenable number.
87441000 is an abundant number, since it is smaller than the sum of its proper divisors (185384280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87441000 is a wasteful number, since it uses less digits than its factorization.
87441000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29171 (or 29157 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 87441000 is about 9350.9892524802. The cubic root of 87441000 is about 443.8521949380.
Adding to 87441000 its reverse (14478), we get a palindrome (87455478).
The spelling of 87441000 in words is "eighty-seven million, four hundred forty-one thousand".
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