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1444943242 = 21597452393
BaseRepresentation
bin101011000100000…
…0001010110001010
310201200220201111101
41112020001112022
510424401140432
6355214052014
750543546341
oct12610012612
93650821441
101444943242
116816a6276
12343aaa00a
131a0486302
14d9c90b58
1586cc14e7
hex5620158a

1444943242 has 8 divisors (see below), whose sum is σ = 2168776836. Its totient is φ = 722017632.

The previous prime is 1444943219. The next prime is 1444943249. The reversal of 1444943242 is 2423494441.

It can be written as a sum of positive squares in 2 ways, for example, as 1277991001 + 166952241 = 35749^2 + 12921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1444943249) 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, 223003 + ... + 229390.

Almost surely, 21444943242 is an apocalyptic number.

1444943242 is a deficient number, since it is larger than the sum of its proper divisors (723833594).

1444943242 is a wasteful number, since it uses less digits than its factorization.

1444943242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453992.

The product of its digits is 110592, while the sum is 37.

The square root of 1444943242 is about 38012.4090528343. The cubic root of 1444943242 is about 1130.5339169003.

The spelling of 1444943242 in words is "one billion, four hundred forty-four million, nine hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 1597 3194 452393 904786 722471621 1444943242