Base | Representation |
---|---|
bin | 1010011101001… |
… | …10110010100100 |
3 | 20010001101022222 |
4 | 11032212302210 |
5 | 134423334410 |
6 | 12412011512 |
7 | 2113364543 |
oct | 516466244 |
9 | 203041288 |
10 | 87714980 |
11 | 45570621 |
12 | 25460b98 |
13 | 15231b72 |
14 | b91415a |
15 | 7a79955 |
hex | 53a6ca4 |
87714980 has 24 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 34817120.
The previous prime is 87714973. The next prime is 87714983. The reversal of 87714980 is 8941778.
It is not an unprimeable number, because it can be changed into a prime (87714983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14120 + ... + 19359.
It is an arithmetic number, because the mean of its divisors is an integer number (7733880).
Almost surely, 287714980 is an apocalyptic number.
It is an amenable number.
87714980 is an abundant number, since it is smaller than the sum of its proper divisors (97898140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87714980 is a wasteful number, since it uses less digits than its factorization.
87714980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33619 (or 33617 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 44.
The square root of 87714980 is about 9365.6275817481. The cubic root of 87714980 is about 444.3152875165.
The spelling of 87714980 in words is "eighty-seven million, seven hundred fourteen thousand, nine hundred eighty".
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