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1027381684 = 22736692203
BaseRepresentation
bin111101001111001…
…001100110110100
32122121012101201111
4331033021212310
54101002203214
6245540204404
734313412610
oct7517114664
92577171644
101027381684
11487a2607a
12248099704
13134b06474
149a638340
15602de5c4
hex3d3c99b4

1027381684 has 12 divisors (see below), whose sum is σ = 2054763424. Its totient is φ = 440306424.

The previous prime is 1027381681. The next prime is 1027381717. The reversal of 1027381684 is 4861837201.

1027381684 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027381681) 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, 18346074 + ... + 18346129.

Almost surely, 21027381684 is an apocalyptic number.

1027381684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1027381684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1027381684 is a wasteful number, since it uses less digits than its factorization.

1027381684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36692214 (or 36692212 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1027381684 is about 32052.7952603201. The cubic root of 1027381684 is about 1009.0451662899.

The spelling of 1027381684 in words is "one billion, twenty-seven million, three hundred eighty-one thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 36692203 73384406 146768812 256845421 513690842 1027381684