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1427649306 = 23237941551
BaseRepresentation
bin101010100011000…
…0011001100011010
310200111101002200020
41111012003030122
510410434234211
6353355251310
750243550606
oct12506031432
93614332606
101427649306
11672964066
1233a149b36
13199a0c805
14d786c506
1585507306
hex5518331a

1427649306 has 8 divisors (see below), whose sum is σ = 2855298624. Its totient is φ = 475883100.

The previous prime is 1427649277. The next prime is 1427649317. The reversal of 1427649306 is 6039467241.

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

1427649306 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 118970770 + ... + 118970781.

It is an arithmetic number, because the mean of its divisors is an integer number (356912328).

Almost surely, 21427649306 is an apocalyptic number.

1427649306 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.

1427649306 is a wasteful number, since it uses less digits than its factorization.

1427649306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237941556.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1427649306 is about 37784.2467967803. The cubic root of 1427649306 is about 1126.0055026143.

The spelling of 1427649306 in words is "one billion, four hundred twenty-seven million, six hundred forty-nine thousand, three hundred six".

Divisors: 1 2 3 6 237941551 475883102 713824653 1427649306