Base | Representation |
---|---|
bin | 1010001011001… |
… | …10000010111101 |
3 | 12221121100210210 |
4 | 11011212002331 |
5 | 133322241022 |
6 | 12245223033 |
7 | 2054325336 |
oct | 505460275 |
9 | 187540723 |
10 | 85352637 |
11 | 441a7777 |
12 | 24701a79 |
13 | 148b5826 |
14 | b49b28d |
15 | 775ea0c |
hex | 51660bd |
85352637 has 4 divisors (see below), whose sum is σ = 113803520. Its totient is φ = 56901756.
The previous prime is 85352621. The next prime is 85352647. The reversal of 85352637 is 73625358.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 85352637 - 24 = 85352621 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 85352595 and 85352604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85352647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14225437 + ... + 14225442.
It is an arithmetic number, because the mean of its divisors is an integer number (28450880).
Almost surely, 285352637 is an apocalyptic number.
It is an amenable number.
85352637 is a deficient number, since it is larger than the sum of its proper divisors (28450883).
85352637 is a wasteful number, since it uses less digits than its factorization.
85352637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28450882.
The product of its digits is 151200, while the sum is 39.
The square root of 85352637 is about 9238.6490895585. The cubic root of 85352637 is about 440.2901615700.
The spelling of 85352637 in words is "eighty-five million, three hundred fifty-two thousand, six hundred thirty-seven".
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