Search a number
-
+
1389327053 is a prime number
BaseRepresentation
bin101001011001111…
…0111001011001101
310120211021010102112
41102303313023031
510321131431203
6345510033405
746300041122
oct12263671315
93524233375
101389327053
11653269a84
12329348865
13191ab281a
14d2734749
1581e876d8
hex52cf72cd

1389327053 has 2 divisors, whose sum is σ = 1389327054. Its totient is φ = 1389327052.

The previous prime is 1389327047. The next prime is 1389327061. The reversal of 1389327053 is 3507239831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959884324 + 429442729 = 30982^2 + 20723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1389327053 - 220 = 1388278477 is a prime.

It is a super-3 number, since 3×13893270533 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1389327053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1389327073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694663526 + 694663527.

It is an arithmetic number, because the mean of its divisors is an integer number (694663527).

Almost surely, 21389327053 is an apocalyptic number.

It is an amenable number.

1389327053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389327053 is an equidigital number, since it uses as much as digits as its factorization.

1389327053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1389327053 is about 37273.6777498545. The cubic root of 1389327053 is about 1115.8388997316.

The spelling of 1389327053 in words is "one billion, three hundred eighty-nine million, three hundred twenty-seven thousand, fifty-three".