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2428445389 is a prime number
BaseRepresentation
bin1001000010111111…
…0010001011001101
320021020112210210211
42100233302023031
514433140223024
61040550002421
7114115305466
oct22057621315
96236483724
102428445389
111036880a67
12579346411
132c9168146
14190745d6d
15e32e4594
hex90bf22cd

2428445389 has 2 divisors, whose sum is σ = 2428445390. Its totient is φ = 2428445388.

The previous prime is 2428445353. The next prime is 2428445401. The reversal of 2428445389 is 9835448242.

2428445389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310078025 + 1118367364 = 36195^2 + 33442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428445389 - 223 = 2420056781 is a prime.

It is a super-2 number, since 2×24284453892 = 11794694014710722642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2428445329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214222694 + 1214222695.

It is an arithmetic number, because the mean of its divisors is an integer number (1214222695).

Almost surely, 22428445389 is an apocalyptic number.

It is an amenable number.

2428445389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428445389 is an equidigital number, since it uses as much as digits as its factorization.

2428445389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 49.

The square root of 2428445389 is about 49279.2592172407. The cubic root of 2428445389 is about 1344.1346615252.

The spelling of 2428445389 in words is "two billion, four hundred twenty-eight million, four hundred forty-five thousand, three hundred eighty-nine".