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1444293580 = 22572214679
BaseRepresentation
bin101011000010110…
…0010101111001100
310201122200201022211
41112011202233030
510424214343310
6355152120204
750535202312
oct12605425714
93648621284
101444293580
116812a2164
12343836064
131a02b96b2
14d9b620b2
1586be3c8a
hex56162bcc

1444293580 has 12 divisors (see below), whose sum is σ = 3033016560. Its totient is φ = 577717424.

The previous prime is 1444293553. The next prime is 1444293601. The reversal of 1444293580 is 853924441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36107320 + ... + 36107359.

It is an arithmetic number, because the mean of its divisors is an integer number (252751380).

Almost surely, 21444293580 is an apocalyptic number.

1444293580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444293580 is an abundant number, since it is smaller than the sum of its proper divisors (1588722980).

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

1444293580 is a wasteful number, since it uses less digits than its factorization.

1444293580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72214688 (or 72214686 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1444293580 is about 38003.8626984153. The cubic root of 1444293580 is about 1130.3644581040.

The spelling of 1444293580 in words is "one billion, four hundred forty-four million, two hundred ninety-three thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 72214679 144429358 288858716 361073395 722146790 1444293580