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30522049 is a prime number
BaseRepresentation
bin111010001101…
…1101011000001
32010102200101021
41310123223001
530303201144
63010105441
7520301365
oct164335301
963380337
1030522049
1116257738
12a27b281
1364287ac
1440a72a5
152a2d884
hex1d1bac1

30522049 has 2 divisors, whose sum is σ = 30522050. Its totient is φ = 30522048.

The previous prime is 30522047. The next prime is 30522059. The reversal of 30522049 is 94022503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19009600 + 11512449 = 4360^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 30522049 - 21 = 30522047 is a prime.

Together with 30522047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30522043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261024 + 15261025.

It is an arithmetic number, because the mean of its divisors is an integer number (15261025).

Almost surely, 230522049 is an apocalyptic number.

It is an amenable number.

30522049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30522049 is an equidigital number, since it uses as much as digits as its factorization.

30522049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30522049 is about 5524.6763706121. The cubic root of 30522049 is about 312.5152598415.

The spelling of 30522049 in words is "thirty million, five hundred twenty-two thousand, forty-nine".