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245000233 is a prime number
BaseRepresentation
bin11101001101001…
…10100000101001
3122002000022010201
432212212200221
51000210001413
640151112201
76033316252
oct1646464051
9562008121
10245000233
11116329335
126a072661
133b9b1a6a
1424777b29
15167979dd
hexe9a6829

245000233 has 2 divisors, whose sum is σ = 245000234. Its totient is φ = 245000232.

The previous prime is 245000221. The next prime is 245000257. The reversal of 245000233 is 332000542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244985104 + 15129 = 15652^2 + 123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245000233 is a prime.

It is a super-2 number, since 2×2450002332 = 120050228340108578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245000233.

It is not a weakly prime, because it can be changed into another prime (245001233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122500116 + 122500117.

It is an arithmetic number, because the mean of its divisors is an integer number (122500117).

Almost surely, 2245000233 is an apocalyptic number.

It is an amenable number.

245000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

245000233 is an equidigital number, since it uses as much as digits as its factorization.

245000233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 245000233 is about 15652.4832854087. The cubic root of 245000233 is about 625.7326729290.

Adding to 245000233 its reverse (332000542), we get a palindrome (577000775).

The spelling of 245000233 in words is "two hundred forty-five million, two hundred thirty-three", and thus it is an aban number.