Search a number
-
+
1448004689 is a prime number
BaseRepresentation
bin101011001001110…
…1100110001010001
310201220200021000022
41112103230301101
510431142122224
6355403433225
750611560005
oct12623546121
93656607008
101448004689
116833a739a
12344b25815
131a0cb8911
14da44a705
15871c865e
hex564ecc51

1448004689 has 2 divisors, whose sum is σ = 1448004690. Its totient is φ = 1448004688.

The previous prime is 1448004643. The next prime is 1448004697. The reversal of 1448004689 is 9864008441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026113089 + 421891600 = 32033^2 + 20540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448004689 - 220 = 1446956113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448004619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724002344 + 724002345.

It is an arithmetic number, because the mean of its divisors is an integer number (724002345).

Almost surely, 21448004689 is an apocalyptic number.

It is an amenable number.

1448004689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448004689 is an equidigital number, since it uses as much as digits as its factorization.

1448004689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 1448004689 is about 38052.6567929231. The cubic root of 1448004689 is about 1131.3317863440.

The spelling of 1448004689 in words is "one billion, four hundred forty-eight million, four thousand, six hundred eighty-nine".