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1442512973 = 11523250741
BaseRepresentation
bin101010111111011…
…0000000001001101
310201112100020210102
41111332300001031
510423240403343
6355050020445
750514105116
oct12576600115
93645306712
101442512973
11680296390
12343117725
1319cb15095
14d981b20d
15869913b8
hex55fb004d

1442512973 has 8 divisors (see below), whose sum is σ = 1576665696. Its totient is φ = 1308862800.

The previous prime is 1442512961. The next prime is 1442513029. The reversal of 1442512973 is 3792152441.

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 1442512973 - 210 = 1442511949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442512073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119618 + ... + 131123.

It is an arithmetic number, because the mean of its divisors is an integer number (197083212).

Almost surely, 21442512973 is an apocalyptic number.

It is an amenable number.

1442512973 is a deficient number, since it is larger than the sum of its proper divisors (134152723).

1442512973 is a wasteful number, since it uses less digits than its factorization.

1442512973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251275.

The product of its digits is 60480, while the sum is 38.

The square root of 1442512973 is about 37980.4288153781. The cubic root of 1442512973 is about 1129.8997412811.

It can be divided in two parts, 1442 and 512973, that added together give a palindrome (514415).

The spelling of 1442512973 in words is "one billion, four hundred forty-two million, five hundred twelve thousand, nine hundred seventy-three".

Divisors: 1 11 523 5753 250741 2758151 131137543 1442512973