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1442944454 = 27214723923
BaseRepresentation
bin101011000000001…
…1001010111000110
310201120011011200012
41112000121113012
510423343210304
6355103150222
750520553100
oct12600312706
93646134605
101442944454
11680560586
123432a5372
1319cc365b3
14d98d0570
1586a2916e
hex560195c6

1442944454 has 12 divisors (see below), whose sum is σ = 2517791004. Its totient is φ = 618404724.

The previous prime is 1442944397. The next prime is 1442944483. The reversal of 1442944454 is 4544492441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7361864 + ... + 7362059.

It is an arithmetic number, because the mean of its divisors is an integer number (209815917).

Almost surely, 21442944454 is an apocalyptic number.

1442944454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1442944454 is a deficient number, since it is larger than the sum of its proper divisors (1074846550).

1442944454 is a wasteful number, since it uses less digits than its factorization.

1442944454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14723939 (or 14723932 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The square root of 1442944454 is about 37986.1086977858. The cubic root of 1442944454 is about 1130.0123876784.

The spelling of 1442944454 in words is "one billion, four hundred forty-two million, nine hundred forty-four thousand, four hundred fifty-four".

Divisors: 1 2 7 14 49 98 14723923 29447846 103067461 206134922 721472227 1442944454