Base | Representation |
---|---|
bin | 1010101001001… |
… | …10110100101111 |
3 | 20020000022002100 |
4 | 11110212310233 |
5 | 140324203413 |
6 | 12505430143 |
7 | 2132635551 |
oct | 524466457 |
9 | 206008070 |
10 | 89287983 |
11 | 46445424 |
12 | 25a9b353 |
13 | 15662b35 |
14 | bc034d1 |
15 | 7c8aa73 |
hex | 5526d2f |
89287983 has 12 divisors (see below), whose sum is σ = 129198888. Its totient is φ = 59420400.
The previous prime is 89287963. The next prime is 89287999. The reversal of 89287983 is 38978298.
It is not a de Polignac number, because 89287983 - 25 = 89287951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89287943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3168 + ... + 13733.
It is an arithmetic number, because the mean of its divisors is an integer number (10766574).
Almost surely, 289287983 is an apocalyptic number.
89287983 is a deficient number, since it is larger than the sum of its proper divisors (39910905).
89287983 is a wasteful number, since it uses less digits than its factorization.
89287983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17494 (or 17491 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 54.
The square root of 89287983 is about 9449.2318735440. The cubic root of 89287983 is about 446.9555531381.
The spelling of 89287983 in words is "eighty-nine million, two hundred eighty-seven thousand, nine hundred eighty-three".
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