Base | Representation |
---|---|
bin | 1010011100011… |
… | …00011111100101 |
3 | 20002211220120200 |
4 | 11032030133211 |
5 | 134411413034 |
6 | 12405421113 |
7 | 2112435531 |
oct | 516143745 |
9 | 202756520 |
10 | 87607269 |
11 | 454a7702 |
12 | 2540a799 |
13 | 151c4b29 |
14 | b8c6bc1 |
15 | 7a57a99 |
hex | 538c7e5 |
87607269 has 6 divisors (see below), whose sum is σ = 126543846. Its totient is φ = 58404840.
The previous prime is 87607259. The next prime is 87607277. The reversal of 87607269 is 96270678.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 81540900 + 6066369 = 9030^2 + 2463^2 .
It is not a de Polignac number, because 87607269 - 216 = 87541733 is a prime.
It is a super-2 number, since 2×876072692 = 15350067163276722, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87607249) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4867062 + ... + 4867079.
It is an arithmetic number, because the mean of its divisors is an integer number (21090641).
Almost surely, 287607269 is an apocalyptic number.
It is an amenable number.
87607269 is a deficient number, since it is larger than the sum of its proper divisors (38936577).
87607269 is a wasteful number, since it uses less digits than its factorization.
87607269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9734147 (or 9734144 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 87607269 is about 9359.8754799410. The cubic root of 87607269 is about 444.1333450232.
The spelling of 87607269 in words is "eighty-seven million, six hundred seven thousand, two hundred sixty-nine".
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