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1022427642 = 231619105253
BaseRepresentation
bin111100111100010…
…000000111111010
32122020212201001110
4330330100013322
54043220141032
6245242101150
734223330415
oct7474200772
92566781043
101022427642
11485152025
122464aa7b6
13133a90592
1499b08b7c
155eb617cc
hex3cf101fa

1022427642 has 16 divisors (see below), whose sum is σ = 2046137760. Its totient is φ = 340595472.

The previous prime is 1022427631. The next prime is 1022427661. The reversal of 1022427642 is 2467242201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42913 + ... + 62340.

It is an arithmetic number, because the mean of its divisors is an integer number (127883610).

Almost surely, 21022427642 is an apocalyptic number.

1022427642 is an abundant number, since it is smaller than the sum of its proper divisors (1023710118).

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

1022427642 is a wasteful number, since it uses less digits than its factorization.

1022427642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106877.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1022427642 is about 31975.4224678893. The cubic root of 1022427642 is about 1007.4206779946.

Adding to 1022427642 its reverse (2467242201), we get a palindrome (3489669843).

The spelling of 1022427642 in words is "one billion, twenty-two million, four hundred twenty-seven thousand, six hundred forty-two".

Divisors: 1 2 3 6 1619 3238 4857 9714 105253 210506 315759 631518 170404607 340809214 511213821 1022427642