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30514217 is a prime number
BaseRepresentation
bin111010001100…
…1110000101001
32010102021122012
41310121300221
530302423332
63010005305
7520236506
oct164316051
963367565
1030514217
1116251868
12a276835
136425066
1440a44ad
152a2b3b2
hex1d19c29

30514217 has 2 divisors, whose sum is σ = 30514218. Its totient is φ = 30514216.

The previous prime is 30514193. The next prime is 30514229. The reversal of 30514217 is 71241503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17147881 + 13366336 = 4141^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 30514217 - 214 = 30497833 is a prime.

It is a super-2 number, since 2×305142172 = 1862234878246178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30514192 and 30514201.

It is not a weakly prime, because it can be changed into another prime (30514717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257108 + 15257109.

It is an arithmetic number, because the mean of its divisors is an integer number (15257109).

Almost surely, 230514217 is an apocalyptic number.

It is an amenable number.

30514217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30514217 is an equidigital number, since it uses as much as digits as its factorization.

30514217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 30514217 is about 5523.9675053353. The cubic root of 30514217 is about 312.4885269388.

The spelling of 30514217 in words is "thirty million, five hundred fourteen thousand, two hundred seventeen".