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30226949 is a prime number
BaseRepresentation
bin111001101001…
…1101000000101
32002212200120122
41303103220011
530214230244
62555511325
7514632134
oct163235005
962780518
1030226949
1116075a55
12a158545
13635438c
14402b91b
1529c11ee
hex1cd3a05

30226949 has 2 divisors, whose sum is σ = 30226950. Its totient is φ = 30226948.

The previous prime is 30226927. The next prime is 30226951. The reversal of 30226949 is 94962203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17850625 + 12376324 = 4225^2 + 3518^2 .

It is a cyclic number.

It is not a de Polignac number, because 30226949 - 216 = 30161413 is a prime.

Together with 30226951, 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 (30226919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113474 + 15113475.

It is an arithmetic number, because the mean of its divisors is an integer number (15113475).

Almost surely, 230226949 is an apocalyptic number.

It is an amenable number.

30226949 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226949 is an equidigital number, since it uses as much as digits as its factorization.

30226949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 30226949 is about 5497.9040551832. The cubic root of 30226949 is about 311.5048200582.

The spelling of 30226949 in words is "thirty million, two hundred twenty-six thousand, nine hundred forty-nine".