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124371493 is a prime number
BaseRepresentation
bin1110110100111…
…00001000100101
322200000201121121
413122130020211
5223314341433
620201413541
73040066051
oct732341045
9280021547
10124371493
1164228164
123579a2b1
131c9c78cc
1412736c61
15adbac2d
hex769c225

124371493 has 2 divisors, whose sum is σ = 124371494. Its totient is φ = 124371492.

The previous prime is 124371449. The next prime is 124371509. The reversal of 124371493 is 394173421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124032769 + 338724 = 11137^2 + 582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124371493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124371293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62185746 + 62185747.

It is an arithmetic number, because the mean of its divisors is an integer number (62185747).

Almost surely, 2124371493 is an apocalyptic number.

It is an amenable number.

124371493 is a deficient number, since it is larger than the sum of its proper divisors (1).

124371493 is an equidigital number, since it uses as much as digits as its factorization.

124371493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 124371493 is about 11152.1967791104. The cubic root of 124371493 is about 499.1605822108.

The spelling of 124371493 in words is "one hundred twenty-four million, three hundred seventy-one thousand, four hundred ninety-three".