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1444305424 = 24232170641
BaseRepresentation
bin101011000010110…
…0101101000010000
310201122201022120111
41112011211220100
510424220233144
6355152251104
750535251662
oct12605455020
93648638514
101444305424
11681300051
12343840a94
131a02c1bc3
14d9b66532
1586be7534
hex56165a10

1444305424 has 30 divisors (see below), whose sum is σ = 2925315806. Its totient is φ = 690750720.

The previous prime is 1444305419. The next prime is 1444305451. The reversal of 1444305424 is 4245034441.

It can be written as a sum of positive squares in only one way, i.e., 872139024 + 572166400 = 29532^2 + 23920^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76857 + ... + 93784.

Almost surely, 21444305424 is an apocalyptic number.

It is an amenable number.

1444305424 is an abundant number, since it is smaller than the sum of its proper divisors (1481010382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444305424 is a wasteful number, since it uses less digits than its factorization.

1444305424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170695 (or 170666 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 1444305424 is about 38004.0185243613. The cubic root of 1444305424 is about 1130.3675479652.

Adding to 1444305424 its reverse (4245034441), we get a palindrome (5689339865).

The spelling of 1444305424 in words is "one billion, four hundred forty-four million, three hundred five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 529 1058 2116 4232 8464 170641 341282 682564 1365128 2730256 3924743 7849486 15698972 31397944 62795888 90269089 180538178 361076356 722152712 1444305424