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85384668 = 2237115389
BaseRepresentation
bin1010001011011…
…01110111011100
312221122222202010
411011231313130
5133324302133
612250031220
72054520615
oct505556734
9187588663
1085384668
1144219846
1224718510
13148c7295
14b4a8c0c
157769263
hex516dddc

85384668 has 12 divisors (see below), whose sum is σ = 199230920. Its totient is φ = 28461552.

The previous prime is 85384661. The next prime is 85384687. The reversal of 85384668 is 86648358.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85384661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557683 + ... + 3557706.

Almost surely, 285384668 is an apocalyptic number.

It is an amenable number.

85384668 is an abundant number, since it is smaller than the sum of its proper divisors (113846252).

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

85384668 is a wasteful number, since it uses less digits than its factorization.

85384668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115396 (or 7115394 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 85384668 is about 9240.3824596171. The cubic root of 85384668 is about 440.3452318090.

The spelling of 85384668 in words is "eighty-five million, three hundred eighty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 7115389 14230778 21346167 28461556 42692334 85384668