Base | Representation |
---|---|
bin | 1010001010010… |
… | …11111001101001 |
3 | 12221101220220102 |
4 | 11011023321221 |
5 | 133310324140 |
6 | 12243035145 |
7 | 2053401200 |
oct | 505137151 |
9 | 187356812 |
10 | 85245545 |
11 | 44134270 |
12 | 2466bab5 |
13 | 14878b68 |
14 | b470237 |
15 | 773ce15 |
hex | 514be69 |
85245545 has 48 divisors (see below), whose sum is σ = 132772608. Its totient is φ = 51932160.
The previous prime is 85245539. The next prime is 85245547. The reversal of 85245545 is 54554258.
It is not a de Polignac number, because 85245545 - 26 = 85245481 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 85245499 and 85245508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85245547) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126329 + ... + 127001.
It is an arithmetic number, because the mean of its divisors is an integer number (2766096).
Almost surely, 285245545 is an apocalyptic number.
It is an amenable number.
85245545 is a deficient number, since it is larger than the sum of its proper divisors (47527063).
85245545 is a wasteful number, since it uses less digits than its factorization.
85245545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750 (or 743 counting only the distinct ones).
The product of its digits is 160000, while the sum is 38.
The square root of 85245545 is about 9232.8514013819. The cubic root of 85245545 is about 440.1059403994.
The spelling of 85245545 in words is "eighty-five million, two hundred forty-five thousand, five hundred forty-five".
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