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1408116449 is a prime number
BaseRepresentation
bin101001111101110…
…0010011011100001
310122010121201122002
41103323202123201
510340434211244
6351420453345
746615535525
oct12373423341
93563551562
101408116449
11662932803
123336aa255
13195960bcc
14d5025d85
1583949a4e
hex53ee26e1

1408116449 has 2 divisors, whose sum is σ = 1408116450. Its totient is φ = 1408116448.

The previous prime is 1408116407. The next prime is 1408116499. The reversal of 1408116449 is 9446118041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809971600 + 598144849 = 28460^2 + 24457^2 .

It is an emirp because it is prime and its reverse (9446118041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1408116449 - 220 = 1407067873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1408116499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704058224 + 704058225.

It is an arithmetic number, because the mean of its divisors is an integer number (704058225).

Almost surely, 21408116449 is an apocalyptic number.

It is an amenable number.

1408116449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408116449 is an equidigital number, since it uses as much as digits as its factorization.

1408116449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1408116449 is about 37524.8777346443. The cubic root of 1408116449 is about 1120.8466305276.

The spelling of 1408116449 in words is "one billion, four hundred eight million, one hundred sixteen thousand, four hundred forty-nine".