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85026841 = 92212
BaseRepresentation
bin1010001000101…
…10100000011001
312220222210220021
411010112200121
5133231324331
612234230441
72051500444
oct504264031
9186883807
1085026841
1143aa4a19
1224585421
1314800453
14b41465b
1576e8211
hex5116819

85026841 has 3 divisors (see below), whose sum is σ = 85036063. Its totient is φ = 85017620.

The previous prime is 85026839. The next prime is 85026857. The reversal of 85026841 is 14862058.

The square root of 85026841 is 9221.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 7075600 = 8829^2 + 2660^2 .

It is not a de Polignac number, because 85026841 - 21 = 85026839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85026797 and 85026806.

It is not an unprimeable number, because it can be changed into a prime (85026241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4611 + ... + 13831.

Almost surely, 285026841 is an apocalyptic number.

85026841 is the 9221-st square number.

85026841 is the 4611-st centered octagonal number.

It is an amenable number.

85026841 is a deficient number, since it is larger than the sum of its proper divisors (9222).

85026841 is an frugal number, since it uses more digits than its factorization.

85026841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442 (or 9221 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The cubic root of 85026841 is about 439.7292428571.

Adding to 85026841 its reverse (14862058), we get a palindrome (99888899).

The spelling of 85026841 in words is "eighty-five million, twenty-six thousand, eight hundred forty-one".

Divisors: 1 9221 85026841