Base | Representation |
---|---|
bin | 1010001010011… |
… | …00100110110100 |
3 | 12221102001212111 |
4 | 11011030212310 |
5 | 133310422221 |
6 | 12243100404 |
7 | 2053412500 |
oct | 505144664 |
9 | 187361774 |
10 | 85248436 |
11 | 44136459 |
12 | 24671704 |
13 | 1487a280 |
14 | b471300 |
15 | 773dbe1 |
hex | 514c9b4 |
85248436 has 36 divisors (see below), whose sum is σ = 186896388. Its totient is φ = 33723648.
The previous prime is 85248391. The next prime is 85248437. The reversal of 85248436 is 63484258.
It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 63904036 = 4620^2 + 7994^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85248437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14181 + ... + 19276.
Almost surely, 285248436 is an apocalyptic number.
It is an amenable number.
85248436 is an abundant number, since it is smaller than the sum of its proper divisors (101647952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85248436 is a wasteful number, since it uses less digits than its factorization.
85248436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33488 (or 33479 counting only the distinct ones).
The product of its digits is 184320, while the sum is 40.
The square root of 85248436 is about 9233.0079605728. The cubic root of 85248436 is about 440.1109155641.
The spelling of 85248436 in words is "eighty-five million, two hundred forty-eight thousand, four hundred thirty-six".
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