Base | Representation |
---|---|
bin | 1010001001000… |
… | …10000000101001 |
3 | 12221002012112110 |
4 | 11010202000221 |
5 | 133234331321 |
6 | 12235232533 |
7 | 2052055020 |
oct | 504420051 |
9 | 187065473 |
10 | 85073961 |
11 | 44027365 |
12 | 245a8749 |
13 | 14818a2b |
14 | b4278b7 |
15 | 7707176 |
hex | 5122029 |
85073961 has 16 divisors (see below), whose sum is σ = 130391424. Its totient is φ = 48330624.
The previous prime is 85073959. The next prime is 85073969. The reversal of 85073961 is 16937058.
It is not a de Polignac number, because 85073961 - 21 = 85073959 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85073969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8076 + ... + 15341.
It is an arithmetic number, because the mean of its divisors is an integer number (8149464).
Almost surely, 285073961 is an apocalyptic number.
It is an amenable number.
85073961 is a deficient number, since it is larger than the sum of its proper divisors (45317463).
85073961 is a wasteful number, since it uses less digits than its factorization.
85073961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23600.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 85073961 is about 9223.5546835263. The cubic root of 85073961 is about 439.8104572726.
The spelling of 85073961 in words is "eighty-five million, seventy-three thousand, nine hundred sixty-one".
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