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389744041 is a prime number
BaseRepresentation
bin10111001110110…
…000010110101001
31000011101001022111
4113032300112221
51244233302131
6102401322321
712441525001
oct2716602651
91004331274
10389744041
11190000515
12aa6363a1
136299039b
1439a95001
1524339ab1
hex173b05a9

389744041 has 2 divisors, whose sum is σ = 389744042. Its totient is φ = 389744040.

The previous prime is 389744011. The next prime is 389744071. The reversal of 389744041 is 140447983.

It is a balanced prime because it is at equal distance from previous prime (389744011) and next prime (389744071).

It can be written as a sum of positive squares in only one way, i.e., 236083225 + 153660816 = 15365^2 + 12396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-389744041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389743985 and 389744003.

It is not a weakly prime, because it can be changed into another prime (389744011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194872020 + 194872021.

It is an arithmetic number, because the mean of its divisors is an integer number (194872021).

Almost surely, 2389744041 is an apocalyptic number.

It is an amenable number.

389744041 is a deficient number, since it is larger than the sum of its proper divisors (1).

389744041 is an equidigital number, since it uses as much as digits as its factorization.

389744041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 389744041 is about 19741.9361005956. The cubic root of 389744041 is about 730.4544871101.

The spelling of 389744041 in words is "three hundred eighty-nine million, seven hundred forty-four thousand, forty-one".