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30045053 is a prime number
BaseRepresentation
bin111001010011…
…1001101111101
32002112110001202
41302213031331
530142420203
62551545245
7513243623
oct162471575
962473052
1030045053
1115a61325
12a08b225
1362bc64c
143dc1513
152987388
hex1ca737d

30045053 has 2 divisors, whose sum is σ = 30045054. Its totient is φ = 30045052.

The previous prime is 30045031. The next prime is 30045077. The reversal of 30045053 is 35054003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29997529 + 47524 = 5477^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 30045053 - 220 = 28996477 is a prime.

It is a Chen prime.

It is equal to p1860500 and since 30045053 and 1860500 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30045553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022526 + 15022527.

It is an arithmetic number, because the mean of its divisors is an integer number (15022527).

Almost surely, 230045053 is an apocalyptic number.

It is an amenable number.

30045053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30045053 is an equidigital number, since it uses as much as digits as its factorization.

30045053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30045053 is about 5481.3367895067. The cubic root of 30045053 is about 310.8787174031.

Adding to 30045053 its reverse (35054003), we get a palindrome (65099056).

The spelling of 30045053 in words is "thirty million, forty-five thousand, fifty-three".