Base | Representation |
---|---|
bin | 1010001100001… |
… | …01100100001001 |
3 | 12221211220220021 |
4 | 11012011210021 |
5 | 133340403422 |
6 | 12252100441 |
7 | 2055403615 |
oct | 506054411 |
9 | 187756807 |
10 | 85481737 |
11 | 44285770 |
12 | 24764721 |
13 | 1492c513 |
14 | b4d2345 |
15 | 7787dc7 |
hex | 5185909 |
85481737 has 8 divisors (see below), whose sum is σ = 94834080. Its totient is φ = 76392960.
The previous prime is 85481719. The next prime is 85481791. The reversal of 85481737 is 73718458.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85481737 - 27 = 85481609 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 85481693 and 85481702.
It is not an unprimeable number, because it can be changed into a prime (85481717) 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, 65208 + ... + 66505.
It is an arithmetic number, because the mean of its divisors is an integer number (11854260).
Almost surely, 285481737 is an apocalyptic number.
It is an amenable number.
85481737 is a deficient number, since it is larger than the sum of its proper divisors (9352343).
85481737 is a wasteful number, since it uses less digits than its factorization.
85481737 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131783.
The product of its digits is 188160, while the sum is 43.
The square root of 85481737 is about 9245.6334017741. The cubic root of 85481737 is about 440.5120364779.
The spelling of 85481737 in words is "eighty-five million, four hundred eighty-one thousand, seven hundred thirty-seven".
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