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30022513 is a prime number
BaseRepresentation
bin111001010000…
…1101101110001
32002111022010221
41302201231301
530141210023
62551253041
7513121123
oct162415561
962438127
1030022513
1115a463a4
12a07a181
1362b2301
143db7213
15298085d
hex1ca1b71

30022513 has 2 divisors, whose sum is σ = 30022514. Its totient is φ = 30022512.

The previous prime is 30022507. The next prime is 30022523. The reversal of 30022513 is 31522003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25725184 + 4297329 = 5072^2 + 2073^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022513 - 217 = 29891441 is a prime.

It is not a weakly prime, because it can be changed into another prime (30022523) 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, 15011256 + 15011257.

It is an arithmetic number, because the mean of its divisors is an integer number (15011257).

Almost surely, 230022513 is an apocalyptic number.

It is an amenable number.

30022513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022513 is an equidigital number, since it uses as much as digits as its factorization.

30022513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30022513 is about 5479.2803359565. The cubic root of 30022513 is about 310.8009568557.

Adding to 30022513 its reverse (31522003), we get a palindrome (61544516).

The spelling of 30022513 in words is "thirty million, twenty-two thousand, five hundred thirteen".