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1442042442 = 232174712557
BaseRepresentation
bin101010111110011…
…1101001001001010
310201111110100100100
41111330331021022
510423130324232
6355031550230
750510105241
oct12574751112
93644410310
101442042442
1167aaa4915
12342b2b376
1319c9abb69
14d9737958
15868ebc7c
hex55f3d24a

1442042442 has 24 divisors (see below), whose sum is σ = 3308215716. Its totient is φ = 452405376.

The previous prime is 1442042419. The next prime is 1442042461. The reversal of 1442042442 is 2442402441.

1442042442 is a `hidden beast` number, since 14 + 4 + 204 + 2 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1273847481 + 168194961 = 35691^2 + 12969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355973 + ... + 2356584.

Almost surely, 21442042442 is an apocalyptic number.

1442042442 is an abundant number, since it is smaller than the sum of its proper divisors (1866173274).

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

1442042442 is a wasteful number, since it uses less digits than its factorization.

1442042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712582 (or 4712579 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1442042442 is about 37974.2339224901. The cubic root of 1442042442 is about 1129.7768745242.

Adding to 1442042442 its reverse (2442402441), we get a palindrome (3884444883).

The spelling of 1442042442 in words is "one billion, four hundred forty-two million, forty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 4712557 9425114 14137671 28275342 42413013 80113469 84826026 160226938 240340407 480680814 721021221 1442042442