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30032137 is a prime number
BaseRepresentation
bin111001010010…
…0000100001001
32002111210100101
41302210010021
530142012022
62551405401
7513161152
oct162440411
962453311
1030032137
1115a52653
12a083861
1362b67c5
143dba929
152983627
hex1ca4109

30032137 has 2 divisors, whose sum is σ = 30032138. Its totient is φ = 30032136.

The previous prime is 30032129. The next prime is 30032153. The reversal of 30032137 is 73123003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24000201 + 6031936 = 4899^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032137 - 23 = 30032129 is a prime.

It is not a weakly prime, because it can be changed into another prime (30032237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016068 + 15016069.

It is an arithmetic number, because the mean of its divisors is an integer number (15016069).

Almost surely, 230032137 is an apocalyptic number.

It is an amenable number.

30032137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032137 is an equidigital number, since it uses as much as digits as its factorization.

30032137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 30032137 is about 5480.1584831098. The cubic root of 30032137 is about 310.8341633681.

The spelling of 30032137 in words is "thirty million, thirty-two thousand, one hundred thirty-seven".