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1306906 = 22328411
BaseRepresentation
bin100111111000100011010
32110101201221
410333010122
5313310111
644002254
714052136
oct4770432
92411657
101306906
11812997
1253038a
13369b23
142603c6
151ac371
hex13f11a

1306906 has 8 divisors (see below), whose sum is σ = 2045664. Its totient is φ = 625020.

The previous prime is 1306901. The next prime is 1306913. The reversal of 1306906 is 6096031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1306901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14160 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (255708).

21306906 is an apocalyptic number.

1306906 is a deficient number, since it is larger than the sum of its proper divisors (738758).

1306906 is a wasteful number, since it uses less digits than its factorization.

1306906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28436.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1306906 is about 1143.1998950315. The cubic root of 1306906 is about 109.3322075864.

The spelling of 1306906 in words is "one million, three hundred six thousand, nine hundred six".

Divisors: 1 2 23 46 28411 56822 653453 1306906