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1427988224 = 2813429083
BaseRepresentation
bin101010100011101…
…0101111100000000
310200112000022120202
41111013111330000
510411031110344
6353410424332
750246461655
oct12507257400
93615008522
101427988224
11673075763
1233a2920a8
13199acab60
14d7919c2c
158557294e
hex551d5f00

1427988224 has 36 divisors (see below), whose sum is σ = 3069666936. Its totient is φ = 659069952.

The previous prime is 1427988209. The next prime is 1427988251. The reversal of 1427988224 is 4228897241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211214 + ... + 217869.

It is an arithmetic number, because the mean of its divisors is an integer number (85268526).

Almost surely, 21427988224 is an apocalyptic number.

It is an amenable number.

1427988224 is an abundant number, since it is smaller than the sum of its proper divisors (1641678712).

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

1427988224 is an equidigital number, since it uses as much as digits as its factorization.

1427988224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429112 (or 429098 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 1427988224 is about 37788.7314420582. The cubic root of 1427988224 is about 1126.0945985701.

The spelling of 1427988224 in words is "one billion, four hundred twenty-seven million, nine hundred eighty-eight thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 429083 858166 1716332 3432664 5578079 6865328 11156158 13730656 22312316 27461312 44624632 54922624 89249264 109845248 178498528 356997056 713994112 1427988224