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30160253 is a prime number
BaseRepresentation
bin111001100001…
…1010101111101
32002202022002102
41303003111331
530210112003
62554234445
7514233524
oct163032575
962668072
1030160253
111602a932
12a125a25
13632cc06
1440114bb
1529ab588
hex1cc357d

30160253 has 2 divisors, whose sum is σ = 30160254. Its totient is φ = 30160252.

The previous prime is 30160223. The next prime is 30160259. The reversal of 30160253 is 35206103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15697444 + 14462809 = 3962^2 + 3803^2 .

It is a cyclic number.

It is not a de Polignac number, because 30160253 - 26 = 30160189 is a prime.

It is a super-2 number, since 2×301602532 = 1819281722048018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30160259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15080126 + 15080127.

It is an arithmetic number, because the mean of its divisors is an integer number (15080127).

Almost surely, 230160253 is an apocalyptic number.

It is an amenable number.

30160253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30160253 is an equidigital number, since it uses as much as digits as its factorization.

30160253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30160253 is about 5491.8351213415. The cubic root of 30160253 is about 311.2755387290.

Adding to 30160253 its reverse (35206103), we get a palindrome (65366356).

The spelling of 30160253 in words is "thirty million, one hundred sixty thousand, two hundred fifty-three".