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85468215 = 3576712149
BaseRepresentation
bin1010001100000…
…10010000110111
312221211020100110
411012002100313
5133334440330
612251514103
72055316320
oct506022067
9187736313
1085468215
1144276598
1224758933
1314926311
14b4cb447
157783db0
hex5182437

85468215 has 32 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 38484864.

The previous prime is 85468211. The next prime is 85468217. The reversal of 85468215 is 51286458.

It is not a de Polignac number, because 85468215 - 22 = 85468211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85468211) 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 31 ways as a sum of consecutive naturals, for example, 961 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 285468215 is an apocalyptic number.

85468215 is a deficient number, since it is larger than the sum of its proper divisors (73162185).

85468215 is a wasteful number, since it uses less digits than its factorization.

85468215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231.

The product of its digits is 76800, while the sum is 39.

The square root of 85468215 is about 9244.9021087300. The cubic root of 85468215 is about 440.4888076648.

It can be divided in two parts, 8546 and 8215, that added together give a palindrome (16761).

The spelling of 85468215 in words is "eighty-five million, four hundred sixty-eight thousand, two hundred fifteen".

Divisors: 1 3 5 7 15 21 35 67 105 201 335 469 1005 1407 2345 7035 12149 36447 60745 85043 182235 255129 425215 813983 1275645 2441949 4069915 5697881 12209745 17093643 28489405 85468215