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1442998042 = 24347794519
BaseRepresentation
bin101011000000010…
…0110011100011010
310201120020220011221
41112000212130122
510423401414132
6355104242254
750521165243
oct12600463432
93646226157
101442998042
11680597872
1234331038a
1319cc54ac5
14d9905cca
1586a39e97
hex5602671a

1442998042 has 32 divisors (see below), whose sum is σ = 2291097600. Its totient is φ = 680844528.

The previous prime is 1442998019. The next prime is 1442998043. The reversal of 1442998042 is 2408992441.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 1442998042.

It is not an unprimeable number, because it can be changed into a prime (1442998043) 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, 317059 + ... + 321577.

It is an arithmetic number, because the mean of its divisors is an integer number (71596800).

Almost surely, 21442998042 is an apocalyptic number.

1442998042 is a deficient number, since it is larger than the sum of its proper divisors (848099558).

1442998042 is a wasteful number, since it uses less digits than its factorization.

1442998042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1442998042 is about 37986.8140543531. The cubic root of 1442998042 is about 1130.0263762867.

The spelling of 1442998042 in words is "one billion, four hundred forty-two million, nine hundred ninety-eight thousand, forty-two".

Divisors: 1 2 43 47 79 86 94 158 2021 3397 3713 4042 4519 6794 7426 9038 159659 194317 212393 319318 357001 388634 424786 714002 9132899 15351043 16779047 18265798 30702086 33558094 721499021 1442998042