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1444304357 is a prime number
BaseRepresentation
bin101011000010110…
…0101010111100101
310201122201021002222
41112011211113211
510424220214412
6355152242125
750535245606
oct12605452745
93648637088
101444304357
116812aa271
12343840345
131a02c1582
14d9b65dad
1586be7072
hex561655e5

1444304357 has 2 divisors, whose sum is σ = 1444304358. Its totient is φ = 1444304356.

The previous prime is 1444304333. The next prime is 1444304401. The reversal of 1444304357 is 7534034441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298232961 + 146071396 = 36031^2 + 12086^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444304357 - 216 = 1444238821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444304317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722152178 + 722152179.

It is an arithmetic number, because the mean of its divisors is an integer number (722152179).

Almost surely, 21444304357 is an apocalyptic number.

It is an amenable number.

1444304357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444304357 is an equidigital number, since it uses as much as digits as its factorization.

1444304357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 1444304357 is about 38004.0044863696. The cubic root of 1444304357 is about 1130.3672696070.

Adding to 1444304357 its reverse (7534034441), we get a palindrome (8978338798).

The spelling of 1444304357 in words is "one billion, four hundred forty-four million, three hundred four thousand, three hundred fifty-seven".