Base | Representation |
---|---|
bin | 1010100001011… |
… | …10111100000011 |
3 | 20011002201022011 |
4 | 11100232330003 |
5 | 140044211033 |
6 | 12431553351 |
7 | 2121206434 |
oct | 520567403 |
9 | 204081264 |
10 | 88272643 |
11 | 459115a8 |
12 | 2568b857 |
13 | 15398944 |
14 | ba1b48b |
15 | 7b39ccd |
hex | 542ef03 |
88272643 has 6 divisors (see below), whose sum is σ = 92278004. Its totient is φ = 84434196.
The previous prime is 88272629. The next prime is 88272671. The reversal of 88272643 is 34627288.
It is a de Polignac number, because none of the positive numbers 2k-88272643 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 88272596 and 88272605.
It is not an unprimeable number, because it can be changed into a prime (88272683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82905 + ... + 83962.
Almost surely, 288272643 is an apocalyptic number.
88272643 is a deficient number, since it is larger than the sum of its proper divisors (4005361).
88272643 is a wasteful number, since it uses less digits than its factorization.
88272643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166913 (or 166890 counting only the distinct ones).
The product of its digits is 129024, while the sum is 40.
The square root of 88272643 is about 9395.3522020199. The cubic root of 88272643 is about 445.2549025651.
The spelling of 88272643 in words is "eighty-eight million, two hundred seventy-two thousand, six hundred forty-three".
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