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85336047 = 3241281823
BaseRepresentation
bin1010001011000…
…01111111101111
312221120112001100
411011201333233
5133321223142
612245014143
72054226066
oct505417757
9187515040
1085336047
1144196265
12246b4353
13148ab104
14b4951dd
157759b4c
hex5161fef

85336047 has 24 divisors (see below), whose sum is σ = 126872928. Its totient is φ = 55238400.

The previous prime is 85336021. The next prime is 85336057. The reversal of 85336047 is 74063358.

It is a happy number.

It is not a de Polignac number, because 85336047 - 26 = 85335983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85336057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103278 + ... + 104100.

It is an arithmetic number, because the mean of its divisors is an integer number (5286372).

Almost surely, 285336047 is an apocalyptic number.

85336047 is a deficient number, since it is larger than the sum of its proper divisors (41536881).

85336047 is a wasteful number, since it uses less digits than its factorization.

85336047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 85336047 is about 9237.7511873832. The cubic root of 85336047 is about 440.2616333083.

The spelling of 85336047 in words is "eighty-five million, three hundred thirty-six thousand, forty-seven".

Divisors: 1 3 9 41 123 281 369 823 843 2469 2529 7407 11521 33743 34563 101229 103689 231263 303687 693789 2081367 9481783 28445349 85336047