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1444444056 = 233311607931
BaseRepresentation
bin101011000011000…
…0111011110011000
310201122222100202000
41112012013132120
510424234202211
6355155241000
750536400106
oct12606073630
93648870660
101444444056
11681395220
123438a9160
131a0340033
14d9ba0c76
1586c23656
hex56187798

1444444056 has 64 divisors (see below), whose sum is σ = 4377110400. Its totient is φ = 437709600.

The previous prime is 1444444031. The next prime is 1444444081. The reversal of 1444444056 is 6504444441.

It is an interprime number because it is at equal distance from previous prime (1444444031) and next prime (1444444081).

It is a super-2 number, since 2×14444440562 = 4172837261827462272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1444444056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301590 + ... + 306341.

It is an arithmetic number, because the mean of its divisors is an integer number (68392350).

Almost surely, 21444444056 is an apocalyptic number.

It is an amenable number.

1444444056 is an abundant number, since it is smaller than the sum of its proper divisors (2932666344).

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

1444444056 is a wasteful number, since it uses less digits than its factorization.

1444444056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607957 (or 607947 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The square root of 1444444056 is about 38005.8423929795. The cubic root of 1444444056 is about 1130.4037130075.

Adding to 1444444056 its reverse (6504444441), we get a palindrome (7948888497).

The spelling of 1444444056 in words is "one billion, four hundred forty-four million, four hundred forty-four thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 132 198 216 264 297 396 594 792 1188 2376 607931 1215862 1823793 2431724 3647586 4863448 5471379 6687241 7295172 10942758 13374482 14590344 16414137 20061723 21885516 26748964 32828274 40123446 43771032 53497928 60185169 65656548 80246892 120370338 131313096 160493784 180555507 240740676 361111014 481481352 722222028 1444444056