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30372401 is a prime number
BaseRepresentation
bin111001111011…
…1001000110001
32010011002002202
41303313020301
530233404101
63002552545
7516106163
oct163671061
963132082
1030372401
1116165264
12a208755
1363a5647
144068933
1529ee36b
hex1cf7231

30372401 has 2 divisors, whose sum is σ = 30372402. Its totient is φ = 30372400.

The previous prime is 30372389. The next prime is 30372403. The reversal of 30372401 is 10427303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 5382400 = 4999^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 30372401 - 210 = 30371377 is a prime.

Together with 30372403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30372403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186200 + 15186201.

It is an arithmetic number, because the mean of its divisors is an integer number (15186201).

Almost surely, 230372401 is an apocalyptic number.

It is an amenable number.

30372401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30372401 is an equidigital number, since it uses as much as digits as its factorization.

30372401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30372401 is about 5511.1161301500. The cubic root of 30372401 is about 312.0036742116.

Adding to 30372401 its reverse (10427303), we get a palindrome (40799704).

The spelling of 30372401 in words is "thirty million, three hundred seventy-two thousand, four hundred one".