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1022442 = 232331239
BaseRepresentation
bin11111001100111101010
31220221112020
43321213222
5230204232
633525310
711455611
oct3714752
91827466
101022442
116391a3
12413836
1329a4c5
141c8878
15152e2c
hexf99ea

1022442 has 32 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 314160.

The previous prime is 1022429. The next prime is 1022443. The reversal of 1022442 is 2442201.

It is not an unprimeable number, because it can be changed into a prime (1022443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4159 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

21022442 is an apocalyptic number.

1022442 is an abundant number, since it is smaller than the sum of its proper divisors (1189398).

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

1022442 is a wasteful number, since it uses less digits than its factorization.

1022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1022442 is about 1011.1587412469. The cubic root of 1022442 is about 100.7425393725.

Adding to 1022442 its reverse (2442201), we get a palindrome (3464643).

The spelling of 1022442 in words is "one million, twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 31 46 62 69 93 138 186 239 478 713 717 1426 1434 2139 4278 5497 7409 10994 14818 16491 22227 32982 44454 170407 340814 511221 1022442