Base | Representation |
---|---|
bin | 1010011010111… |
… | …01111001101100 |
3 | 20002111012210111 |
4 | 11031131321230 |
5 | 134334311203 |
6 | 12401345404 |
7 | 2111012251 |
oct | 515357154 |
9 | 202435714 |
10 | 87416428 |
11 | 45387290 |
12 | 25338264 |
13 | 15158cc8 |
14 | b877428 |
15 | 7a1b26d |
hex | 535de6c |
87416428 has 48 divisors (see below), whose sum is σ = 174763008. Its totient is φ = 37904000.
The previous prime is 87416419. The next prime is 87416429. The reversal of 87416428 is 82461478.
It is not an unprimeable number, because it can be changed into a prime (87416429) 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, 84273 + ... + 85303.
It is an arithmetic number, because the mean of its divisors is an integer number (3640896).
Almost surely, 287416428 is an apocalyptic number.
It is an amenable number.
87416428 is a deficient number, since it is larger than the sum of its proper divisors (87346580).
87416428 is a wasteful number, since it uses less digits than its factorization.
87416428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).
The product of its digits is 86016, while the sum is 40.
The square root of 87416428 is about 9349.6752884793. The cubic root of 87416428 is about 443.8106150617.
The spelling of 87416428 in words is "eighty-seven million, four hundred sixteen thousand, four hundred twenty-eight".
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