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30262229 is a prime number
BaseRepresentation
bin111001101110…
…0001111010101
32002221110222022
41303130033111
530221342404
63000342525
7515140034
oct163341725
962843868
1030262229
111609a508
12a174a45
13636745a
14403a71b
1529cb8be
hex1cdc3d5

30262229 has 2 divisors, whose sum is σ = 30262230. Its totient is φ = 30262228.

The previous prime is 30262213. The next prime is 30262241. The reversal of 30262229 is 92226203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30228004 + 34225 = 5498^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 30262229 - 24 = 30262213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30262198 and 30262207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30262249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15131114 + 15131115.

It is an arithmetic number, because the mean of its divisors is an integer number (15131115).

Almost surely, 230262229 is an apocalyptic number.

It is an amenable number.

30262229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30262229 is an equidigital number, since it uses as much as digits as its factorization.

30262229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30262229 is about 5501.1116149375. Note that the first 3 decimals coincide. The cubic root of 30262229 is about 311.6259660057.

The spelling of 30262229 in words is "thirty million, two hundred sixty-two thousand, two hundred twenty-nine".