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1442675973 = 3480891991
BaseRepresentation
bin101010111111101…
…0111110100000101
310201112122112101110
41111333113310011
510423311112343
6355053315233
750515354254
oct12577276405
93645575343
101442675973
116803978a2
12343195b19
1319cb7132b
14d986079b
15869c4833
hex55fd7d05

1442675973 has 4 divisors (see below), whose sum is σ = 1923567968. Its totient is φ = 961783980.

The previous prime is 1442675921. The next prime is 1442675987. The reversal of 1442675973 is 3795762441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1442675973 - 212 = 1442671877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442675903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240445993 + ... + 240445998.

It is an arithmetic number, because the mean of its divisors is an integer number (480891992).

Almost surely, 21442675973 is an apocalyptic number.

It is an amenable number.

1442675973 is a deficient number, since it is larger than the sum of its proper divisors (480891995).

1442675973 is an equidigital number, since it uses as much as digits as its factorization.

1442675973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480891994.

The product of its digits is 1270080, while the sum is 48.

The square root of 1442675973 is about 37982.5745967806. The cubic root of 1442675973 is about 1129.9422981996.

The spelling of 1442675973 in words is "one billion, four hundred forty-two million, six hundred seventy-five thousand, nine hundred seventy-three".

Divisors: 1 3 480891991 1442675973