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124442293 is a prime number
BaseRepresentation
bin1110110101011…
…01011010110101
322200011022201211
413122231122311
5223324123133
620203121421
73040512343
oct732553265
9280138654
10124442293
1164276378
1235813271
131ca20bc1
1412754993
15add1bcd
hex76ad6b5

124442293 has 2 divisors, whose sum is σ = 124442294. Its totient is φ = 124442292.

The previous prime is 124442291. The next prime is 124442299. The reversal of 124442293 is 392244421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96373489 + 28068804 = 9817^2 + 5298^2 .

It is an emirp because it is prime and its reverse (392244421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124442293 - 21 = 124442291 is a prime.

Together with 124442291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124442291) 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 as a sum of consecutive naturals, namely, 62221146 + 62221147.

It is an arithmetic number, because the mean of its divisors is an integer number (62221147).

Almost surely, 2124442293 is an apocalyptic number.

It is an amenable number.

124442293 is a deficient number, since it is larger than the sum of its proper divisors (1).

124442293 is an equidigital number, since it uses as much as digits as its factorization.

124442293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 124442293 is about 11155.3705899894. The cubic root of 124442293 is about 499.2552820076.

The spelling of 124442293 in words is "one hundred twenty-four million, four hundred forty-two thousand, two hundred ninety-three".