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85855541 = 798912211
BaseRepresentation
bin1010001111000…
…00110100110101
312222112220122212
411013200310311
5133434334131
612304103205
72061521462
oct507406465
9188486585
1085855541
11445105a2
1224904b05
1314a306c5
14b58c669
15780da2b
hex51e0d35

85855541 has 8 divisors (see below), whose sum is σ = 87926400. Its totient is φ = 83809440.

The previous prime is 85855531. The next prime is 85855579. The reversal of 85855541 is 14555858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85855541 - 214 = 85839157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85855531) 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 7 ways as a sum of consecutive naturals, for example, 926 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (10990800).

Almost surely, 285855541 is an apocalyptic number.

It is an amenable number.

85855541 is a deficient number, since it is larger than the sum of its proper divisors (2070859).

85855541 is a wasteful number, since it uses less digits than its factorization.

85855541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379.

The product of its digits is 160000, while the sum is 41.

The square root of 85855541 is about 9265.8265146721. The cubic root of 85855541 is about 441.1532093820.

The spelling of 85855541 in words is "eighty-five million, eight hundred fifty-five thousand, five hundred forty-one".

Divisors: 1 79 89 7031 12211 964669 1086779 85855541