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30522133 is a prime number
BaseRepresentation
bin111010001101…
…1101100010101
32010102200111101
41310123230111
530303202013
63010110101
7520301545
oct164335425
963380441
1030522133
1116257804
12a27b331
136428845
1440a7325
152a2d8dd
hex1d1bb15

30522133 has 2 divisors, whose sum is σ = 30522134. Its totient is φ = 30522132.

The previous prime is 30522109. The next prime is 30522137. The reversal of 30522133 is 33122503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28281124 + 2241009 = 5318^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 30522133 - 213 = 30513941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30522133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30522137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261066 + 15261067.

It is an arithmetic number, because the mean of its divisors is an integer number (15261067).

Almost surely, 230522133 is an apocalyptic number.

It is an amenable number.

30522133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30522133 is an equidigital number, since it uses as much as digits as its factorization.

30522133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30522133 is about 5524.6839728622. The cubic root of 30522133 is about 312.5155465332.

Adding to 30522133 its reverse (33122503), we get a palindrome (63644636).

The spelling of 30522133 in words is "thirty million, five hundred twenty-two thousand, one hundred thirty-three".