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1427413788 = 223276152103
BaseRepresentation
bin101010100010100…
…1001101100011100
310200110221010121100
41111011021230130
510410404220123
6353350233100
750241550143
oct12505115434
93613833540
101427413788
11672813119
1233a055790
13199959558
14d780a75a
15854ac643
hex55149b1c

1427413788 has 36 divisors (see below), whose sum is σ = 3612995568. Its totient is φ = 475170240.

The previous prime is 1427413783. The next prime is 1427413849. The reversal of 1427413788 is 8873147241.

1427413788 is a `hidden beast` number, since 1 + 4 + 274 + 1 + 378 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427413783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1345 + ... + 53447.

It is an arithmetic number, because the mean of its divisors is an integer number (100360988).

Almost surely, 21427413788 is an apocalyptic number.

1427413788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1427413788 is an abundant number, since it is smaller than the sum of its proper divisors (2185581780).

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

1427413788 is a wasteful number, since it uses less digits than its factorization.

1427413788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52874 (or 52869 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 1427413788 is about 37781.1300519188. The cubic root of 1427413788 is about 1125.9435805098.

The spelling of 1427413788 in words is "one billion, four hundred twenty-seven million, four hundred thirteen thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 761 1522 2283 3044 4566 6849 9132 13698 27396 52103 104206 156309 208412 312618 468927 625236 937854 1875708 39650383 79300766 118951149 158601532 237902298 356853447 475804596 713706894 1427413788