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230957569 is a prime number
BaseRepresentation
bin11011100010000…
…10001000000001
3121002120212020001
431301002020001
5433111120234
634530120001
75503051453
oct1561021001
9532525201
10230957569
11109407927
1265420001
1338b060ab
14229602d3
1515421d14
hexdc42201

230957569 has 2 divisors, whose sum is σ = 230957570. Its totient is φ = 230957568.

The previous prime is 230957561. The next prime is 230957603. The reversal of 230957569 is 965759032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167961600 + 62995969 = 12960^2 + 7937^2 .

It is a cyclic number.

It is not a de Polignac number, because 230957569 - 23 = 230957561 is a prime.

It is a super-2 number, since 2×2309575692 = 106682797356779522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230957561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115478784 + 115478785.

It is an arithmetic number, because the mean of its divisors is an integer number (115478785).

Almost surely, 2230957569 is an apocalyptic number.

It is an amenable number.

230957569 is a deficient number, since it is larger than the sum of its proper divisors (1).

230957569 is an equidigital number, since it uses as much as digits as its factorization.

230957569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 230957569 is about 15197.2882120463. The cubic root of 230957569 is about 613.5416734393.

The spelling of 230957569 in words is "two hundred thirty million, nine hundred fifty-seven thousand, five hundred sixty-nine".