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1444100307 = 313281313421
BaseRepresentation
bin101011000010011…
…0011100011010011
310201122022220012120
41112010303203103
510424142202212
6355144025323
750533435656
oct12604634323
93648286176
101444100307
1168117aa31
12343762243
131a024c730
14d9b1189d
1586ba688c
hex561338d3

1444100307 has 32 divisors (see below), whose sum is σ = 2092566336. Its totient is φ = 880588800.

The previous prime is 1444100299. The next prime is 1444100369. The reversal of 1444100307 is 7030014441.

It is not a de Polignac number, because 1444100307 - 23 = 1444100299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444100387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3429957 + ... + 3430377.

It is an arithmetic number, because the mean of its divisors is an integer number (65392698).

Almost surely, 21444100307 is an apocalyptic number.

1444100307 is a deficient number, since it is larger than the sum of its proper divisors (648466029).

1444100307 is a wasteful number, since it uses less digits than its factorization.

1444100307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1444100307 is about 38001.3198060278. The cubic root of 1444100307 is about 1130.3140346816.

Adding to 1444100307 its reverse (7030014441), we get a palindrome (8474114748).

The spelling of 1444100307 in words is "one billion, four hundred forty-four million, one hundred thousand, three hundred seven".

Divisors: 1 3 13 39 281 313 421 843 939 1263 3653 4069 5473 10959 12207 16419 87953 118301 131773 263859 354903 395319 1143389 1537913 1713049 3430167 4613739 5139147 37028213 111084639 481366769 1444100307