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1442988268 = 221901189767
BaseRepresentation
bin101011000000010…
…0100000011101100
310201120020101202221
41112000210003230
510423401111033
6355104125124
750521124611
oct12600440354
93646211687
101442988268
11680590497
123433067a4
1319cc50517
14d9902508
1586a3712d
hex560240ec

1442988268 has 12 divisors (see below), whose sum is σ = 2526571152. Its totient is φ = 721110800.

The previous prime is 1442988263. The next prime is 1442988331. The reversal of 1442988268 is 8628892441.

It is not an unprimeable number, because it can be changed into a prime (1442988263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87280 + ... + 102487.

It is an arithmetic number, because the mean of its divisors is an integer number (210547596).

Almost surely, 21442988268 is an apocalyptic number.

It is an amenable number.

1442988268 is a deficient number, since it is larger than the sum of its proper divisors (1083582884).

1442988268 is a wasteful number, since it uses less digits than its factorization.

1442988268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191672 (or 191670 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 1442988268 is about 37986.6854042308. The cubic root of 1442988268 is about 1130.0238249082.

The spelling of 1442988268 in words is "one billion, four hundred forty-two million, nine hundred eighty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 1901 3802 7604 189767 379534 759068 360747067 721494134 1442988268