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1442023142 = 27103001653
BaseRepresentation
bin101010111110011…
…1000011011100110
310201111102100212112
41111330320123212
510423124220032
6355031321022
750506665050
oct12574703346
93644370775
101442023142
1167aa9136a
12342b20172
1319c9a3141
14d97308d0
15868e61b2
hex55f386e6

1442023142 has 8 divisors (see below), whose sum is σ = 2472039696. Its totient is φ = 618009912.

The previous prime is 1442023139. The next prime is 1442023211. The reversal of 1442023142 is 2413202441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51500813 + ... + 51500840.

It is an arithmetic number, because the mean of its divisors is an integer number (309004962).

Almost surely, 21442023142 is an apocalyptic number.

1442023142 is a deficient number, since it is larger than the sum of its proper divisors (1030016554).

1442023142 is a wasteful number, since it uses less digits than its factorization.

1442023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103001662.

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

The square root of 1442023142 is about 37973.9798019644. The cubic root of 1442023142 is about 1129.7718342678.

Adding to 1442023142 its reverse (2413202441), we get a palindrome (3855225583).

The spelling of 1442023142 in words is "one billion, four hundred forty-two million, twenty-three thousand, one hundred forty-two".

Divisors: 1 2 7 14 103001653 206003306 721011571 1442023142