Base | Representation |
---|---|
bin | 1010011010100… |
… | …01000010010000 |
3 | 20002101112111122 |
4 | 11031101002100 |
5 | 134331114403 |
6 | 12400301412 |
7 | 2110402514 |
oct | 515210220 |
9 | 202345448 |
10 | 87363728 |
11 | 45350731 |
12 | 25311868 |
13 | 1513b01a |
14 | b862144 |
15 | 7a0a838 |
hex | 5351090 |
87363728 has 10 divisors (see below), whose sum is σ = 169267254. Its totient is φ = 43681856.
The previous prime is 87363721. The next prime is 87363737. The reversal of 87363728 is 82736378.
It can be written as a sum of positive squares in only one way, i.e., 62283664 + 25080064 = 7892^2 + 5008^2 .
It is not an unprimeable number, because it can be changed into a prime (87363721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730101 + ... + 2730132.
Almost surely, 287363728 is an apocalyptic number.
It is an amenable number.
87363728 is a deficient number, since it is larger than the sum of its proper divisors (81903526).
87363728 is a wasteful number, since it uses less digits than its factorization.
87363728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5460241 (or 5460235 counting only the distinct ones).
The product of its digits is 338688, while the sum is 44.
The square root of 87363728 is about 9346.8565839003. The cubic root of 87363728 is about 443.7214116873.
The spelling of 87363728 in words is "eighty-seven million, three hundred sixty-three thousand, seven hundred twenty-eight".
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