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85502445 = 357814309
BaseRepresentation
bin1010001100010…
…10100111101101
312221212222022020
411012022213231
5133342034240
612252340353
72055521160
oct506124755
9187788266
1085502445
114429a286
12247746b9
1314938a82
14b4d9ad7
15778e0d0
hex518a9ed

85502445 has 16 divisors (see below), whose sum is σ = 156347520. Its totient is φ = 39086784.

The previous prime is 85502441. The next prime is 85502453. The reversal of 85502445 is 54420558.

It is not a de Polignac number, because 85502445 - 22 = 85502441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85502441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407050 + ... + 407259.

It is an arithmetic number, because the mean of its divisors is an integer number (9771720).

Almost surely, 285502445 is an apocalyptic number.

It is an amenable number.

85502445 is a deficient number, since it is larger than the sum of its proper divisors (70845075).

85502445 is a wasteful number, since it uses less digits than its factorization.

85502445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814324.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 85502445 is about 9246.7532139665. The cubic root of 85502445 is about 440.5476050374.

The spelling of 85502445 in words is "eighty-five million, five hundred two thousand, four hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 814309 2442927 4071545 5700163 12214635 17100489 28500815 85502445