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10842389 is a prime number
BaseRepresentation
bin101001010111…
…000100010101
3202101211221222
4221113010111
510233424024
61024220125
7161105315
oct51270425
922354858
1010842389
116136058
12376a645
13232811c
141623445
15e4285e
hexa57115

10842389 has 2 divisors, whose sum is σ = 10842390. Its totient is φ = 10842388.

The previous prime is 10842341. The next prime is 10842421. The reversal of 10842389 is 98324801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 970225 = 3142^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 10842389 - 212 = 10838293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10842329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5421194 + 5421195.

It is an arithmetic number, because the mean of its divisors is an integer number (5421195).

Almost surely, 210842389 is an apocalyptic number.

It is an amenable number.

10842389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10842389 is an equidigital number, since it uses as much as digits as its factorization.

10842389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 10842389 is about 3292.7783101812. The cubic root of 10842389 is about 221.3307020441.

The spelling of 10842389 in words is "ten million, eight hundred forty-two thousand, three hundred eighty-nine".