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85385012 = 22191123487
BaseRepresentation
bin1010001011011…
…01111100110100
312221200000012212
411011231330310
5133324310022
612250032552
72054521616
oct505557464
9187600185
1085385012
114421a029
1224718758
13148c749b
14b4a8db6
1577693e2
hex516df34

85385012 has 12 divisors (see below), whose sum is σ = 157288320. Its totient is φ = 40445496.

The previous prime is 85385009. The next prime is 85385029. The reversal of 85385012 is 21058358.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85385012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561668 + ... + 561819.

It is an arithmetic number, because the mean of its divisors is an integer number (13107360).

Almost surely, 285385012 is an apocalyptic number.

It is an amenable number.

85385012 is a deficient number, since it is larger than the sum of its proper divisors (71903308).

85385012 is a wasteful number, since it uses less digits than its factorization.

85385012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123510 (or 1123508 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 85385012 is about 9240.4010735465. The cubic root of 85385012 is about 440.3458231663.

The spelling of 85385012 in words is "eighty-five million, three hundred eighty-five thousand, twelve".

Divisors: 1 2 4 19 38 76 1123487 2246974 4493948 21346253 42692506 85385012