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85471474 = 21147131631
BaseRepresentation
bin1010001100000…
…11000011110010
312221211101211011
411012003003302
5133340041344
612251541134
72055331654
oct506030362
9187741734
1085471474
1144278a90
122475a7aa
131492794a
14b4cc6d4
157784d34
hex51830f2

85471474 has 32 divisors (see below), whose sum is σ = 144156672. Its totient is φ = 37674000.

The previous prime is 85471403. The next prime is 85471483. The reversal of 85471474 is 47417458.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135139 + ... + 135769.

It is an arithmetic number, because the mean of its divisors is an integer number (4504896).

Almost surely, 285471474 is an apocalyptic number.

85471474 is a deficient number, since it is larger than the sum of its proper divisors (58685198).

85471474 is a wasteful number, since it uses less digits than its factorization.

85471474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its digits is 125440, while the sum is 40.

The square root of 85471474 is about 9245.0783663526. The cubic root of 85471474 is about 440.4944063730.

The spelling of 85471474 in words is "eighty-five million, four hundred seventy-one thousand, four hundred seventy-four".

Divisors: 1 2 11 22 47 94 131 262 517 631 1034 1262 1441 2882 6157 6941 12314 13882 29657 59314 67727 82661 135454 165322 326227 652454 909271 1818542 3885067 7770134 42735737 85471474