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1427812085 = 5741994991
BaseRepresentation
bin101010100011010…
…1010111011110101
310200111200100222002
41111012222323311
510411004441320
6353402545045
750245126310
oct12506527365
93614610862
101427812085
11672a65397
1233a208185
13199a6892b
14d78b1977
158553a675
hex551aaef5

1427812085 has 16 divisors (see below), whose sum is σ = 2005903872. Its totient is φ = 955190400.

The previous prime is 1427812079. The next prime is 1427812123. The reversal of 1427812085 is 5802187241.

It is not a de Polignac number, because 1427812085 - 26 = 1427812021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496061 + ... + 498930.

It is an arithmetic number, because the mean of its divisors is an integer number (125368992).

Almost surely, 21427812085 is an apocalyptic number.

It is an amenable number.

1427812085 is a deficient number, since it is larger than the sum of its proper divisors (578091787).

1427812085 is an equidigital number, since it uses as much as digits as its factorization.

1427812085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995044.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1427812085 is about 37786.4007944657. The cubic root of 1427812085 is about 1126.0482962899.

The spelling of 1427812085 in words is "one billion, four hundred twenty-seven million, eight hundred twelve thousand, eighty-five".

Divisors: 1 5 7 35 41 205 287 1435 994991 4974955 6964937 34824685 40794631 203973155 285562417 1427812085