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1444083642 = 232147154539
BaseRepresentation
bin101011000010010…
…1111011110111010
310201122022001100100
41112010233132322
510424141134032
6355143420230
750533336251
oct12604573672
93648261310
101444083642
11681169461
12343754676
131a0244c81
14d9b09798
1586ba197c
hex5612f7ba

1444083642 has 24 divisors (see below), whose sum is σ = 3131032320. Its totient is φ = 481025160.

The previous prime is 1444083617. The next prime is 1444083647. The reversal of 1444083642 is 2463804441.

1444083642 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 0 + 8 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1444083597 and 1444083606.

It is not an unprimeable number, because it can be changed into a prime (1444083647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 792 + ... + 53747.

It is an arithmetic number, because the mean of its divisors is an integer number (130459680).

Almost surely, 21444083642 is an apocalyptic number.

1444083642 is an abundant number, since it is smaller than the sum of its proper divisors (1686948678).

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

1444083642 is a wasteful number, since it uses less digits than its factorization.

1444083642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56018 (or 56015 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 1444083642 is about 38001.1005366950. The cubic root of 1444083642 is about 1130.3096867020.

The spelling of 1444083642 in words is "one billion, four hundred forty-four million, eighty-three thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 1471 2942 4413 8826 13239 26478 54539 109078 163617 327234 490851 981702 80226869 160453738 240680607 481361214 722041821 1444083642