Base | Representation |
---|---|
bin | 100001110110… |
… | …000101011001 |
3 | 121200202111000 |
4 | 201312011121 |
5 | 4232403111 |
6 | 514055213 |
7 | 135261465 |
oct | 41660531 |
9 | 17622430 |
10 | 8872281 |
11 | 500a970 |
12 | 2b7a509 |
13 | 1ab8492 |
14 | 126d4a5 |
15 | ba3c56 |
hex | 876159 |
8872281 has 16 divisors (see below), whose sum is σ = 14339520. Its totient is φ = 5376960.
The previous prime is 8872271. The next prime is 8872291. The reversal of 8872281 is 1822788.
It is an interprime number because it is at equal distance from previous prime (8872271) and next prime (8872291).
It is not a de Polignac number, because 8872281 - 26 = 8872217 is a prime.
It is a super-2 number, since 2×88722812 = 157434740285922, which contains 22 as substring.
It is a Curzon number.
8872281 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8872211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14640 + ... + 15233.
It is an arithmetic number, because the mean of its divisors is an integer number (896220).
Almost surely, 28872281 is an apocalyptic number.
It is an amenable number.
8872281 is a deficient number, since it is larger than the sum of its proper divisors (5467239).
8872281 is a wasteful number, since it uses less digits than its factorization.
8872281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29893 (or 29887 counting only the distinct ones).
The product of its digits is 14336, while the sum is 36.
The square root of 8872281 is about 2978.6374401729. The cubic root of 8872281 is about 207.0197418684.
The spelling of 8872281 in words is "eight million, eight hundred seventy-two thousand, two hundred eighty-one".
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