Base | Representation |
---|---|
bin | 1010001011110… |
… | …01100011001101 |
3 | 12221202102101121 |
4 | 11011321203031 |
5 | 133332320100 |
6 | 12251040541 |
7 | 2055110263 |
oct | 505714315 |
9 | 187672347 |
10 | 85432525 |
11 | 442517a2 |
12 | 24740151 |
13 | 14912cb9 |
14 | b4bc433 |
15 | 777851a |
hex | 51798cd |
85432525 has 12 divisors (see below), whose sum is σ = 107430624. Its totient is φ = 67382000.
The previous prime is 85432499. The next prime is 85432537. The reversal of 85432525 is 52523458.
It is not a de Polignac number, because 85432525 - 219 = 84908237 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22291 + ... + 25840.
It is an arithmetic number, because the mean of its divisors is an integer number (8952552).
Almost surely, 285432525 is an apocalyptic number.
It is an amenable number.
85432525 is a deficient number, since it is larger than the sum of its proper divisors (21998099).
85432525 is a wasteful number, since it uses less digits than its factorization.
85432525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48212 (or 48207 counting only the distinct ones).
The product of its digits is 48000, while the sum is 34.
The square root of 85432525 is about 9242.9716541814. The cubic root of 85432525 is about 440.4274857089.
The spelling of 85432525 in words is "eighty-five million, four hundred thirty-two thousand, five hundred twenty-five".
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