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1442748604 = 2211103318347
BaseRepresentation
bin101010111111110…
…1001100010111100
310201112210020000111
41111333221202330
510423320423404
6355055035404
750516106103
oct12577514274
93645706014
101442748604
11680437420
1234320bb64
1319cb983cb
14d987d03a
15869db104
hex55fe98bc

1442748604 has 24 divisors (see below), whose sum is σ = 2781088128. Its totient is φ = 649425840.

The previous prime is 1442748589. The next prime is 1442748661. The reversal of 1442748604 is 4068472441.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 154642 + ... + 163705.

It is an arithmetic number, because the mean of its divisors is an integer number (115878672).

Almost surely, 21442748604 is an apocalyptic number.

It is an amenable number.

1442748604 is a deficient number, since it is larger than the sum of its proper divisors (1338339524).

1442748604 is a wasteful number, since it uses less digits than its factorization.

1442748604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318465 (or 318463 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 1442748604 is about 37983.5306942364. The cubic root of 1442748604 is about 1129.9612600601.

The spelling of 1442748604 in words is "one billion, four hundred forty-two million, seven hundred forty-eight thousand, six hundred four".

Divisors: 1 2 4 11 22 44 103 206 412 1133 2266 4532 318347 636694 1273388 3501817 7003634 14007268 32789741 65579482 131158964 360687151 721374302 1442748604