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30530053 is a prime number
BaseRepresentation
bin111010001110…
…1101000000101
32010110002100201
41310131220011
530303430203
63010210501
7520333621
oct164355005
963402321
1030530053
1116262754
12a283a31
13642c328
1440aa181
152a30e1d
hex1d1da05

30530053 has 2 divisors, whose sum is σ = 30530054. Its totient is φ = 30530052.

The previous prime is 30530041. The next prime is 30530057. The reversal of 30530053 is 35003503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19554084 + 10975969 = 4422^2 + 3313^2 .

It is a cyclic number.

It is not a de Polignac number, because 30530053 - 25 = 30530021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30530053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30530057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265026 + 15265027.

It is an arithmetic number, because the mean of its divisors is an integer number (15265027).

Almost surely, 230530053 is an apocalyptic number.

It is an amenable number.

30530053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530053 is an equidigital number, since it uses as much as digits as its factorization.

30530053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 30530053 is about 5525.4007094509. The cubic root of 30530053 is about 312.5425751060.

Adding to 30530053 its reverse (35003503), we get a palindrome (65533556).

The spelling of 30530053 in words is "thirty million, five hundred thirty thousand, fifty-three".