Search a number
-
+
85852529 = 71672712
BaseRepresentation
bin1010001111000…
…00000101110001
312222112202112022
411013200011301
5133434240104
612304041225
72061506630
oct507400561
9188482468
1085852529
1144509304
1224903215
1314a2c219
14b58b517
15780cbbe
hex51e0171

85852529 has 12 divisors (see below), whose sum is σ = 99070272. Its totient is φ = 72877320.

The previous prime is 85852519. The next prime is 85852603. The reversal of 85852529 is 92525858.

It is not a de Polignac number, because 85852529 - 216 = 85786993 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85852529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85852519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316664 + ... + 316934.

It is an arithmetic number, because the mean of its divisors is an integer number (8255856).

Almost surely, 285852529 is an apocalyptic number.

It is an amenable number.

85852529 is a deficient number, since it is larger than the sum of its proper divisors (13217743).

85852529 is an equidigital number, since it uses as much as digits as its factorization.

85852529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 445 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 85852529 is about 9265.6639805251. The cubic root of 85852529 is about 441.1480504488.

The spelling of 85852529 in words is "eighty-five million, eight hundred fifty-two thousand, five hundred twenty-nine".

Divisors: 1 7 167 271 1169 1897 45257 73441 316799 514087 12264647 85852529