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1284082 = 231139149
BaseRepresentation
bin100111001011111110010
32102020102121
410321133302
5312042312
643304454
713625452
oct4713762
92366377
101284082
117a7828
1251b12a
1335c617
14255d62
151a5707
hex1397f2

1284082 has 16 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 612720.

The previous prime is 1284053. The next prime is 1284083. The reversal of 1284082 is 2804821.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1284083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8544 + ... + 8692.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

21284082 is an apocalyptic number.

1284082 is a deficient number, since it is larger than the sum of its proper divisors (731918).

1284082 is a wasteful number, since it uses less digits than its factorization.

1284082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1284082 is about 1133.1734200907. The cubic root of 1284082 is about 108.6920014867.

The spelling of 1284082 in words is "one million, two hundred eighty-four thousand, eighty-two".

Divisors: 1 2 31 62 139 149 278 298 4309 4619 8618 9238 20711 41422 642041 1284082