Base | Representation |
---|---|
bin | 1010001001111… |
… | …00111000100101 |
3 | 12221021210112100 |
4 | 11010330320211 |
5 | 133301342122 |
6 | 12241442313 |
7 | 2053023651 |
oct | 504747045 |
9 | 187253470 |
10 | 85184037 |
11 | 440a2034 |
12 | 24640399 |
13 | 14856b73 |
14 | b455a61 |
15 | 7729aac |
hex | 513ce25 |
85184037 has 6 divisors (see below), whose sum is σ = 123043622. Its totient is φ = 56789352.
The previous prime is 85184017. The next prime is 85184039. The reversal of 85184037 is 73048158.
It can be written as a sum of positive squares in only one way, i.e., 50680161 + 34503876 = 7119^2 + 5874^2 .
It is not a de Polignac number, because 85184037 - 27 = 85183909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 85183992 and 85184010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85184039) 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, 4732438 + ... + 4732455.
Almost surely, 285184037 is an apocalyptic number.
It is an amenable number.
85184037 is a deficient number, since it is larger than the sum of its proper divisors (37859585).
85184037 is a wasteful number, since it uses less digits than its factorization.
85184037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9464899 (or 9464896 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 85184037 is about 9229.5198683355. The cubic root of 85184037 is about 440.0000637052. Note that the first 4 decimals are identical.
The spelling of 85184037 in words is "eighty-five million, one hundred eighty-four thousand, thirty-seven".
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