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1444043330 = 25144404333
BaseRepresentation
bin101011000010010…
…0101101001000010
310201122020000001022
41112010211221002
510424133341310
6355142505442
750533110602
oct12604455102
93648200038
101444043330
11681141144
12343735282
131a022c812
14d9ad8c02
1586b94a55
hex56125a42

1444043330 has 8 divisors (see below), whose sum is σ = 2599278012. Its totient is φ = 577617328.

The previous prime is 1444043327. The next prime is 1444043347. The reversal of 1444043330 is 333404441.

It can be written as a sum of positive squares in 2 ways, for example, as 1351518169 + 92525161 = 36763^2 + 9619^2 .

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

It is a super-2 number, since 2×14440433302 = 4170522277834977800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1444043330.

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, 72202157 + ... + 72202176.

Almost surely, 21444043330 is an apocalyptic number.

1444043330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444043330 is a deficient number, since it is larger than the sum of its proper divisors (1155234682).

1444043330 is a wasteful number, since it uses less digits than its factorization.

1444043330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144404340.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1444043330 is about 38000.5701273020. The cubic root of 1444043330 is about 1130.2991689668.

Adding to 1444043330 its reverse (333404441), we get a palindrome (1777447771).

The spelling of 1444043330 in words is "one billion, four hundred forty-four million, forty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 144404333 288808666 722021665 1444043330