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233233261 is a prime number
BaseRepresentation
bin11011110011011…
…01101101101101
3121020212110212221
431321231231231
5434201431021
635050555341
75531310232
oct1571555555
9536773787
10233233261
1110a721668
1266138b51
1339421b61
1422d93789
1515721241
hexde6db6d

233233261 has 2 divisors, whose sum is σ = 233233262. Its totient is φ = 233233260.

The previous prime is 233233211. The next prime is 233233267. The reversal of 233233261 is 162332332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232562500 + 670761 = 15250^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 233233261 - 215 = 233200493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233233267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116616630 + 116616631.

It is an arithmetic number, because the mean of its divisors is an integer number (116616631).

Almost surely, 2233233261 is an apocalyptic number.

It is an amenable number.

233233261 is a deficient number, since it is larger than the sum of its proper divisors (1).

233233261 is an equidigital number, since it uses as much as digits as its factorization.

233233261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 233233261 is about 15271.9763292116. The cubic root of 233233261 is about 615.5502256266.

Adding to 233233261 its reverse (162332332), we get a palindrome (395565593).

The spelling of 233233261 in words is "two hundred thirty-three million, two hundred thirty-three thousand, two hundred sixty-one".