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85545208 = 23710314831
BaseRepresentation
bin1010001100101…
…01000011111000
312221222010222001
411012111003320
5133344421313
612253310344
72056056640
oct506250370
9187863861
1085545208
1144319421
12247953b4
1314952388
14b50b520
15779badd
hex51950f8

85545208 has 32 divisors (see below), whose sum is σ = 185103360. Its totient is φ = 36303840.

The previous prime is 85545197. The next prime is 85545209. The reversal of 85545208 is 80254558.

It is a super-2 number, since 2×855452082 = 14635965223526528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85545209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (5784480).

Almost surely, 285545208 is an apocalyptic number.

It is an amenable number.

85545208 is an abundant number, since it is smaller than the sum of its proper divisors (99558152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85545208 is a wasteful number, since it uses less digits than its factorization.

85545208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14947 (or 14943 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 85545208 is about 9249.0652500672. The cubic root of 85545208 is about 440.6210376251.

The spelling of 85545208 in words is "eighty-five million, five hundred forty-five thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 28 56 103 206 412 721 824 1442 2884 5768 14831 29662 59324 103817 118648 207634 415268 830536 1527593 3055186 6110372 10693151 12220744 21386302 42772604 85545208