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19535085 = 325434113
BaseRepresentation
bin100101010000…
…1010011101101
31100202111002200
41022201103231
520000110320
61534412113
7325021413
oct112412355
940674080
1019535085
1110032aa9
126661039
13407c92b
1428472b3
151aad290
hex12a14ed

19535085 has 12 divisors (see below), whose sum is σ = 33860892. Its totient is φ = 10418688.

The previous prime is 19535069. The next prime is 19535093. The reversal of 19535085 is 58053591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 13527684 = 2451^2 + 3678^2 .

It is not a de Polignac number, because 19535085 - 24 = 19535069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217012 + ... + 217101.

It is an arithmetic number, because the mean of its divisors is an integer number (2821741).

Almost surely, 219535085 is an apocalyptic number.

19535085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19535085 is a deficient number, since it is larger than the sum of its proper divisors (14325807).

19535085 is a wasteful number, since it uses less digits than its factorization.

19535085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434124 (or 434121 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 19535085 is about 4419.8512418406. The cubic root of 19535085 is about 269.3219612488.

The spelling of 19535085 in words is "nineteen million, five hundred thirty-five thousand, eighty-five".

Divisors: 1 3 5 9 15 45 434113 1302339 2170565 3907017 6511695 19535085