Base | Representation |
---|---|
bin | 1010101001111… |
… | …10001001110100 |
3 | 20020012011011111 |
4 | 11110332021310 |
5 | 140340233130 |
6 | 12511444404 |
7 | 2133514261 |
oct | 524761164 |
9 | 206164144 |
10 | 89383540 |
11 | 465001a4 |
12 | 25b26704 |
13 | 1569748c |
14 | bc2a268 |
15 | 7ca902a |
hex | 553e274 |
89383540 has 24 divisors (see below), whose sum is σ = 193761792. Its totient is φ = 34599840.
The previous prime is 89383531. The next prime is 89383549. The reversal of 89383540 is 4538398.
It is an interprime number because it is at equal distance from previous prime (89383531) and next prime (89383549).
It is a junction number, because it is equal to n+sod(n) for n = 89383493 and 89383502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89383549) 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, 71464 + ... + 72703.
It is an arithmetic number, because the mean of its divisors is an integer number (8073408).
Almost surely, 289383540 is an apocalyptic number.
It is an amenable number.
89383540 is an abundant number, since it is smaller than the sum of its proper divisors (104378252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89383540 is a wasteful number, since it uses less digits than its factorization.
89383540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144207 (or 144205 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 89383540 is about 9454.2868583516. The cubic root of 89383540 is about 447.1149419056.
The spelling of 89383540 in words is "eighty-nine million, three hundred eighty-three thousand, five hundred forty".
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