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1027731036 = 22385644253
BaseRepresentation
bin111101010000011…
…110111001011100
32122121212010221110
4331100132321130
54101044343121
6245551502020
734316366253
oct7520367134
92577763843
101027731036
114881445a2
12248227910
13134bc9497
149a6c979a
156035cd76
hex3d41ee5c

1027731036 has 12 divisors (see below), whose sum is σ = 2398039112. Its totient is φ = 342577008.

The previous prime is 1027731017. The next prime is 1027731037. The reversal of 1027731036 is 6301377201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1027730994 and 1027731012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027731037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42822115 + ... + 42822138.

Almost surely, 21027731036 is an apocalyptic number.

It is an amenable number.

1027731036 is an abundant number, since it is smaller than the sum of its proper divisors (1370308076).

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

1027731036 is a wasteful number, since it uses less digits than its factorization.

1027731036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85644260 (or 85644258 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 1027731036 is about 32058.2444310352. The cubic root of 1027731036 is about 1009.1595256054.

The spelling of 1027731036 in words is "one billion, twenty-seven million, seven hundred thirty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 12 85644253 171288506 256932759 342577012 513865518 1027731036