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1080398437 is a prime number
BaseRepresentation
bin100000001100101…
…1001001001100101
32210021221221000221
41000121121021211
54203040222222
6255112404341
735526143446
oct10031311145
92707857027
101080398437
11504947378
122619a66b1
13142aa9a21
14a36b92cd
1564cb30c7
hex40659265

1080398437 has 2 divisors, whose sum is σ = 1080398438. Its totient is φ = 1080398436.

The previous prime is 1080398411. The next prime is 1080398441. The reversal of 1080398437 is 7348930801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577248676 + 503149761 = 24026^2 + 22431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080398437 - 27 = 1080398309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1080398393 and 1080398402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080398237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540199218 + 540199219.

It is an arithmetic number, because the mean of its divisors is an integer number (540199219).

Almost surely, 21080398437 is an apocalyptic number.

It is an amenable number.

1080398437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080398437 is an equidigital number, since it uses as much as digits as its factorization.

1080398437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1080398437 is about 32869.4149172145. The cubic root of 1080398437 is about 1026.1117224354. Note that the first 3 decimals are identical.

The spelling of 1080398437 in words is "one billion, eighty million, three hundred ninety-eight thousand, four hundred thirty-seven".