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1428571422 = 232611312983
BaseRepresentation
bin101010100100110…
…0100010100011110
310200120002221120200
41111021210110132
510411203241142
6353431124330
750254441155
oct12511442436
93616087520
101428571422
11673433943
1233a5136a6
13199c73445
14d7a2c59c
158563a64c
hex5526451e

1428571422 has 24 divisors (see below), whose sum is σ = 3095982864. Its totient is φ = 476075904.

The previous prime is 1428571409. The next prime is 1428571429. The reversal of 1428571422 is 2241758241.

1428571422 is a `hidden beast` number, since 1 + 42 + 8 + 571 + 42 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428571429) 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, 103543 + ... + 116525.

It is an arithmetic number, because the mean of its divisors is an integer number (128999286).

Almost surely, 21428571422 is an apocalyptic number.

1428571422 is an abundant number, since it is smaller than the sum of its proper divisors (1667411442).

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

1428571422 is a wasteful number, since it uses less digits than its factorization.

1428571422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104 (or 19101 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 1428571422 is about 37796.4472139909. The cubic root of 1428571422 is about 1126.2478787167.

The spelling of 1428571422 in words is "one billion, four hundred twenty-eight million, five hundred seventy-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 6113 12226 12983 18339 25966 36678 38949 55017 77898 110034 116847 233694 79365079 158730158 238095237 476190474 714285711 1428571422