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230475533 is a prime number
BaseRepresentation
bin11011011110011…
…00011100001101
3121001200100222212
431233030130031
5433000204113
634511520205
75466003221
oct1557143415
9531610885
10230475533
11109108752
1265229065
1338997872
1422876781
15153790a8
hexdbcc70d

230475533 has 2 divisors, whose sum is σ = 230475534. Its totient is φ = 230475532.

The previous prime is 230475437. The next prime is 230475541. The reversal of 230475533 is 335574032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190495204 + 39980329 = 13802^2 + 6323^2 .

It is a cyclic number.

It is not a de Polignac number, because 230475533 - 210 = 230474509 is a prime.

It is a super-3 number, since 3×2304755333 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230475533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230475593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115237766 + 115237767.

It is an arithmetic number, because the mean of its divisors is an integer number (115237767).

Almost surely, 2230475533 is an apocalyptic number.

It is an amenable number.

230475533 is a deficient number, since it is larger than the sum of its proper divisors (1).

230475533 is an equidigital number, since it uses as much as digits as its factorization.

230475533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 230475533 is about 15181.4206515728. The cubic root of 230475533 is about 613.1145312462.

The spelling of 230475533 in words is "two hundred thirty million, four hundred seventy-five thousand, five hundred thirty-three".