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30332473 is a prime number
BaseRepresentation
bin111001110110…
…1011000111001
32010002001022221
41303231120321
530231114343
63002044041
7515551603
oct163553071
963061287
1030332473
1116138266
12a1a9621
136390412
144058173
1529e25ed
hex1ced639

30332473 has 2 divisors, whose sum is σ = 30332474. Its totient is φ = 30332472.

The previous prime is 30332447. The next prime is 30332479. The reversal of 30332473 is 37423303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20548089 + 9784384 = 4533^2 + 3128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30332473 is a prime.

It is not a weakly prime, because it can be changed into another prime (30332479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166236 + 15166237.

It is an arithmetic number, because the mean of its divisors is an integer number (15166237).

Almost surely, 230332473 is an apocalyptic number.

It is an amenable number.

30332473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30332473 is an equidigital number, since it uses as much as digits as its factorization.

30332473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 25.

The square root of 30332473 is about 5507.4924421192. The cubic root of 30332473 is about 311.8668927335.

Adding to 30332473 its reverse (37423303), we get a palindrome (67755776).

The spelling of 30332473 in words is "thirty million, three hundred thirty-two thousand, four hundred seventy-three".