Base | Representation |
---|---|
bin | 1010011101010… |
… | …01011111110001 |
3 | 20010001221112112 |
4 | 11032221133301 |
5 | 134424213230 |
6 | 12412135105 |
7 | 2113442060 |
oct | 516513761 |
9 | 203057475 |
10 | 87726065 |
11 | 45578989 |
12 | 25467495 |
13 | 15236c1b |
14 | b9181d7 |
15 | 7a7cd95 |
hex | 53a97f1 |
87726065 has 8 divisors (see below), whose sum is σ = 120310080. Its totient is φ = 60154992.
The previous prime is 87726061. The next prime is 87726091. The reversal of 87726065 is 56062778.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87726065 - 22 = 87726061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87726061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253195 + ... + 1253264.
It is an arithmetic number, because the mean of its divisors is an integer number (15038760).
Almost surely, 287726065 is an apocalyptic number.
It is an amenable number.
87726065 is a deficient number, since it is larger than the sum of its proper divisors (32584015).
87726065 is a wasteful number, since it uses less digits than its factorization.
87726065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2506471.
The product of its (nonzero) digits is 141120, while the sum is 41.
The square root of 87726065 is about 9366.2193546809. The cubic root of 87726065 is about 444.3340035424.
The spelling of 87726065 in words is "eighty-seven million, seven hundred twenty-six thousand, sixty-five".
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