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30127057 is a prime number
BaseRepresentation
bin111001011101…
…1001111010001
32002200121112221
41302323033101
530203031212
62553421041
7514034662
oct162731721
962617487
1030127057
11160079a4
12a10a781
13631aa7c
144003369
1529a1807
hex1cbb3d1

30127057 has 2 divisors, whose sum is σ = 30127058. Its totient is φ = 30127056.

The previous prime is 30127051. The next prime is 30127061. The reversal of 30127057 is 75072103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29419776 + 707281 = 5424^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 30127057 - 23 = 30127049 is a prime.

It is not a weakly prime, because it can be changed into another prime (30127051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15063528 + 15063529.

It is an arithmetic number, because the mean of its divisors is an integer number (15063529).

Almost surely, 230127057 is an apocalyptic number.

It is an amenable number.

30127057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30127057 is an equidigital number, since it uses as much as digits as its factorization.

30127057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 30127057 is about 5488.8119843915. The cubic root of 30127057 is about 311.1612945928.

The spelling of 30127057 in words is "thirty million, one hundred twenty-seven thousand, fifty-seven".