Base | Representation |
---|---|
bin | 1010011111001… |
… | …10011101110100 |
3 | 20010112122002211 |
4 | 11033212131310 |
5 | 140010211141 |
6 | 12421343204 |
7 | 2115532126 |
oct | 517463564 |
9 | 203478084 |
10 | 87975796 |
11 | 45729577 |
12 | 25567b04 |
13 | 152c37ac |
14 | b981216 |
15 | 7acbd81 |
hex | 53e6774 |
87975796 has 6 divisors (see below), whose sum is σ = 153957650. Its totient is φ = 43987896.
The previous prime is 87975793. The next prime is 87975803. The reversal of 87975796 is 69757978.
It can be written as a sum of positive squares in only one way, i.e., 61308900 + 26666896 = 7830^2 + 5164^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 87975796.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87975793) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10996971 + ... + 10996978.
Almost surely, 287975796 is an apocalyptic number.
It is an amenable number.
87975796 is a deficient number, since it is larger than the sum of its proper divisors (65981854).
87975796 is a wasteful number, since it uses less digits than its factorization.
87975796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21993953 (or 21993951 counting only the distinct ones).
The product of its digits is 6667920, while the sum is 58.
The square root of 87975796 is about 9379.5413533925. The cubic root of 87975796 is about 444.7552346669.
The spelling of 87975796 in words is "eighty-seven million, nine hundred seventy-five thousand, seven hundred ninety-six".
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