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1442401043 = 29113440159
BaseRepresentation
bin101010111111001…
…0100101100010011
310201112010120020212
41111332110230103
510423223313133
6355043354335
750513130566
oct12576245423
93645116225
101442401043
1168021a286
123430829ab
1319caa6155
14d97cc4dd
158696d148
hex55f94b13

1442401043 has 8 divisors (see below), whose sum is σ = 1505347200. Its totient is φ = 1380335488.

The previous prime is 1442401027. The next prime is 1442401049. The reversal of 1442401043 is 3401042441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442401043 - 24 = 1442401027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442401049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 216803 + ... + 223356.

It is an arithmetic number, because the mean of its divisors is an integer number (188168400).

Almost surely, 21442401043 is an apocalyptic number.

1442401043 is a deficient number, since it is larger than the sum of its proper divisors (62946157).

1442401043 is a wasteful number, since it uses less digits than its factorization.

1442401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440301.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1442401043 is about 37978.9552647252. The cubic root of 1442401043 is about 1129.8705161368.

Adding to 1442401043 its reverse (3401042441), we get a palindrome (4843443484).

The spelling of 1442401043 in words is "one billion, four hundred forty-two million, four hundred one thousand, forty-three".

Divisors: 1 29 113 3277 440159 12764611 49737967 1442401043