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85605345 = 3257359757
BaseRepresentation
bin1010001101000…
…11101111100001
312222002012110100
411012203233201
5133403332340
612254453013
72056430160
oct506435741
9188065410
1085605345
114435a621
1224804169
1314973867
14b5253d7
1577ae830
hex51a3be1

85605345 has 48 divisors (see below), whose sum is σ = 170277120. Its totient is φ = 38973312.

The previous prime is 85605337. The next prime is 85605367. The reversal of 85605345 is 54350658.

85605345 is a `hidden beast` number, since 8 + 5 + 605 + 3 + 45 = 666.

It is not a de Polignac number, because 85605345 - 23 = 85605337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112707 + ... + 113463.

It is an arithmetic number, because the mean of its divisors is an integer number (3547440).

Almost surely, 285605345 is an apocalyptic number.

It is an amenable number.

85605345 is a deficient number, since it is larger than the sum of its proper divisors (84671775).

85605345 is a wasteful number, since it uses less digits than its factorization.

85605345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 85605345 is about 9252.3156560939. The cubic root of 85605345 is about 440.7242634369.

The spelling of 85605345 in words is "eighty-five million, six hundred five thousand, three hundred forty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 359 757 1077 1795 2271 2513 3231 3785 5299 5385 6813 7539 11355 12565 15897 16155 22617 26495 34065 37695 47691 79485 113085 238455 271763 815289 1358815 1902341 2445867 4076445 5707023 9511705 12229335 17121069 28535115 85605345