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30274271 is a prime number
BaseRepresentation
bin111001101111…
…1001011011111
32002222002111022
41303133023133
530222234041
63000514355
7515220116
oct163371337
962862438
1030274271
11160a8565
12a17b9bb
13636ca91
144040c7d
1529d024b
hex1cdf2df

30274271 has 2 divisors, whose sum is σ = 30274272. Its totient is φ = 30274270.

The previous prime is 30274247. The next prime is 30274291. The reversal of 30274271 is 17247203.

It is a strong prime.

It is an emirp because it is prime and its reverse (17247203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30274271 - 26 = 30274207 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30274271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30274291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137135 + 15137136.

It is an arithmetic number, because the mean of its divisors is an integer number (15137136).

Almost surely, 230274271 is an apocalyptic number.

30274271 is a deficient number, since it is larger than the sum of its proper divisors (1).

30274271 is an equidigital number, since it uses as much as digits as its factorization.

30274271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 30274271 is about 5502.2060121373. The cubic root of 30274271 is about 311.6672947773.

The spelling of 30274271 in words is "thirty million, two hundred seventy-four thousand, two hundred seventy-one".