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1389245301 = 32154360589
BaseRepresentation
bin101001011001110…
…0011001101110101
310120211002222021200
41102303203031311
510321121322201
6345504203113
746266250563
oct12263431565
93524088250
101389245301
11653213614
12329309499
13191a84552
14d2712a33
1581e6d386
hex52ce3375

1389245301 has 6 divisors (see below), whose sum is σ = 2006687670. Its totient is φ = 926163528.

The previous prime is 1389245281. The next prime is 1389245309. The reversal of 1389245301 is 1035429831.

1389245301 is a `hidden beast` number, since 1 + 38 + 92 + 4 + 530 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1077546276 + 311699025 = 32826^2 + 17655^2 .

It is not a de Polignac number, because 1389245301 - 26 = 1389245237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389245309) 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 in 5 ways as a sum of consecutive naturals, for example, 77180286 + ... + 77180303.

It is an arithmetic number, because the mean of its divisors is an integer number (334447945).

Almost surely, 21389245301 is an apocalyptic number.

It is an amenable number.

1389245301 is a deficient number, since it is larger than the sum of its proper divisors (617442369).

1389245301 is a wasteful number, since it uses less digits than its factorization.

1389245301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154360595 (or 154360592 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1389245301 is about 37272.5810885160. The cubic root of 1389245301 is about 1115.8170129122.

The spelling of 1389245301 in words is "one billion, three hundred eighty-nine million, two hundred forty-five thousand, three hundred one".

Divisors: 1 3 9 154360589 463081767 1389245301