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1420022442 = 231873126359
BaseRepresentation
bin101010010100011…
…1101001010101010
310122222000121120210
41110220331022222
510402011204232
6352524001550
750121664056
oct12450751252
93588017523
101420022442
11669624973
123376902b6
1319826c187
14d6844c66
15849ec5cc
hex54a3d2aa

1420022442 has 16 divisors (see below), whose sum is σ = 2841583680. Its totient is φ = 473084352.

The previous prime is 1420022441. The next prime is 1420022447. The reversal of 1420022442 is 2442200241.

It is not an unprimeable number, because it can be changed into a prime (1420022441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51942 + ... + 74417.

It is an arithmetic number, because the mean of its divisors is an integer number (177598980).

Almost surely, 21420022442 is an apocalyptic number.

1420022442 is an abundant number, since it is smaller than the sum of its proper divisors (1421561238).

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

1420022442 is a wasteful number, since it uses less digits than its factorization.

1420022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128237.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1420022442 is about 37683.1851360789. The cubic root of 1420022442 is about 1123.9967858513.

Adding to 1420022442 its reverse (2442200241), we get a palindrome (3862222683).

The spelling of 1420022442 in words is "one billion, four hundred twenty million, twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 1873 3746 5619 11238 126359 252718 379077 758154 236670407 473340814 710011221 1420022442