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30341261 is a prime number
BaseRepresentation
bin111001110111…
…1100010001101
32010002111101102
41303233202031
530231410021
63002152445
7515616326
oct163574215
963074342
1030341261
1116143925
12a1b2725
136394412
14405b44d
1529e500b
hex1cef88d

30341261 has 2 divisors, whose sum is σ = 30341262. Its totient is φ = 30341260.

The previous prime is 30341251. The next prime is 30341263. The reversal of 30341261 is 16214303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 256036 = 5485^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 30341261 - 26 = 30341197 is a prime.

Together with 30341263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30341263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15170630 + 15170631.

It is an arithmetic number, because the mean of its divisors is an integer number (15170631).

Almost surely, 230341261 is an apocalyptic number.

It is an amenable number.

30341261 is a deficient number, since it is larger than the sum of its proper divisors (1).

30341261 is an equidigital number, since it uses as much as digits as its factorization.

30341261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30341261 is about 5508.2902065886. The cubic root of 30341261 is about 311.8970081109.

Adding to 30341261 its reverse (16214303), we get a palindrome (46555564).

The spelling of 30341261 in words is "thirty million, three hundred forty-one thousand, two hundred sixty-one".