Base | Representation |
---|---|
bin | 1010001011010… |
… | …10111011111001 |
3 | 12221122101021120 |
4 | 11011222323321 |
5 | 133323411130 |
6 | 12245455453 |
7 | 2054440620 |
oct | 505527371 |
9 | 187571246 |
10 | 85372665 |
11 | 44210824 |
12 | 24711589 |
13 | 148c1991 |
14 | b4a46b7 |
15 | 7765910 |
hex | 516aef9 |
85372665 has 96 divisors (see below), whose sum is σ = 172005120. Its totient is φ = 35363328.
The previous prime is 85372631. The next prime is 85372669. The reversal of 85372665 is 56627358.
It is not a de Polignac number, because 85372665 - 214 = 85356281 is a prime.
Its product of digits (302400) is a multiple of the sum of its prime divisors (120).
It is not an unprimeable number, because it can be changed into a prime (85372669) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1610779 + ... + 1610831.
It is an arithmetic number, because the mean of its divisors is an integer number (1791720).
Almost surely, 285372665 is an apocalyptic number.
It is an amenable number.
85372665 is an abundant number, since it is smaller than the sum of its proper divisors (86632455).
85372665 is a wasteful number, since it uses less digits than its factorization.
85372665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143 (or 120 counting only the distinct ones).
The product of its digits is 302400, while the sum is 42.
The square root of 85372665 is about 9239.7329506864. The cubic root of 85372665 is about 440.3245969119.
The spelling of 85372665 in words is "eighty-five million, three hundred seventy-two thousand, six hundred sixty-five".
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