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1090501439 is a prime number
BaseRepresentation
bin100000011111111…
…1011101100111111
32210222222012202012
41000333323230333
54213132021224
6300113121435
736011052326
oct10077735477
92728865665
101090501439
1150a617965
1226525927b
13144c06431
14a4b890bd
1565b0b80e
hex40ffbb3f

1090501439 has 2 divisors, whose sum is σ = 1090501440. Its totient is φ = 1090501438.

The previous prime is 1090501427. The next prime is 1090501441. The reversal of 1090501439 is 9341050901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1090501439 is a prime.

It is a super-2 number, since 2×10905014392 = 2378386776922141442, which contains 22 as substring.

Together with 1090501441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090501469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545250719 + 545250720.

It is an arithmetic number, because the mean of its divisors is an integer number (545250720).

Almost surely, 21090501439 is an apocalyptic number.

1090501439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090501439 is an equidigital number, since it uses as much as digits as its factorization.

1090501439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1090501439 is about 33022.7412399395. The cubic root of 1090501439 is about 1029.3002564967.

The spelling of 1090501439 in words is "one billion, ninety million, five hundred one thousand, four hundred thirty-nine".