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127827493 is a prime number
BaseRepresentation
bin1111001111001…
…11111000100101
322220112022100121
413213213320211
5230210434433
620403441541
73111341623
oct747477045
9286468317
10127827493
1166178762
12369862b1
1320637991
1412d96513
15b34ec2d
hex79e7e25

127827493 has 2 divisors, whose sum is σ = 127827494. Its totient is φ = 127827492.

The previous prime is 127827487. The next prime is 127827499. The reversal of 127827493 is 394728721.

It is a balanced prime because it is at equal distance from previous prime (127827487) and next prime (127827499).

It can be written as a sum of positive squares in only one way, i.e., 124947684 + 2879809 = 11178^2 + 1697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127827493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127827499) 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, 63913746 + 63913747.

It is an arithmetic number, because the mean of its divisors is an integer number (63913747).

Almost surely, 2127827493 is an apocalyptic number.

It is an amenable number.

127827493 is a deficient number, since it is larger than the sum of its proper divisors (1).

127827493 is an equidigital number, since it uses as much as digits as its factorization.

127827493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 127827493 is about 11306.0821242374. The cubic root of 127827493 is about 503.7419169233.

The spelling of 127827493 in words is "one hundred twenty-seven million, eight hundred twenty-seven thousand, four hundred ninety-three".