Base | Representation |
---|---|
bin | 1010011110100… |
… | …11011010001101 |
3 | 20010101200000220 |
4 | 11033103122031 |
5 | 140000211431 |
6 | 12415541553 |
7 | 2115055431 |
oct | 517233215 |
9 | 203350026 |
10 | 87897741 |
11 | 45685968 |
12 | 2552a8b9 |
13 | 152970c9 |
14 | b9609c1 |
15 | 7ab3b96 |
hex | 53d368d |
87897741 has 16 divisors (see below), whose sum is σ = 121282560. Its totient is φ = 56565360.
The previous prime is 87897739. The next prime is 87897749. The reversal of 87897741 is 14779878.
It is not a de Polignac number, because 87897741 - 21 = 87897739 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87897749) 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, 45840 + ... + 47718.
It is an arithmetic number, because the mean of its divisors is an integer number (7580160).
Almost surely, 287897741 is an apocalyptic number.
It is an amenable number.
87897741 is a deficient number, since it is larger than the sum of its proper divisors (33384819).
87897741 is a wasteful number, since it uses less digits than its factorization.
87897741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2416.
The product of its digits is 790272, while the sum is 51.
The square root of 87897741 is about 9375.3795123184. The cubic root of 87897741 is about 444.6236619565.
The spelling of 87897741 in words is "eighty-seven million, eight hundred ninety-seven thousand, seven hundred forty-one".
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