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1081952447 is a prime number
BaseRepresentation
bin100000001111101…
…0100100010111111
32210101212212201212
41000133110202333
54203434434242
6255205555035
735545305212
oct10037244277
92711785655
101081952447
11505808984
12262415a7b
13143202164
14a39a1779
1564ebd782
hex407d48bf

1081952447 has 2 divisors, whose sum is σ = 1081952448. Its totient is φ = 1081952446.

The previous prime is 1081952429. The next prime is 1081952461. The reversal of 1081952447 is 7442591801.

It is a strong prime.

It is an emirp because it is prime and its reverse (7442591801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081952447 - 28 = 1081952191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081952477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540976223 + 540976224.

It is an arithmetic number, because the mean of its divisors is an integer number (540976224).

Almost surely, 21081952447 is an apocalyptic number.

1081952447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081952447 is an equidigital number, since it uses as much as digits as its factorization.

1081952447 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 41.

The square root of 1081952447 is about 32893.0455719746. The cubic root of 1081952447 is about 1026.6034619947.

The spelling of 1081952447 in words is "one billion, eighty-one million, nine hundred fifty-two thousand, four hundred forty-seven".