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245055233 = 733356921
BaseRepresentation
bin11101001101100…
…11111100000001
3122002010002120202
432212303330001
51000213231413
640152214545
76033635513
oct1646637401
9562102522
10245055233
11116366695
126a09a455
133ba00ac7
142478dbb3
15167a8e58
hexe9b3f01

245055233 has 4 divisors (see below), whose sum is σ = 248412228. Its totient is φ = 241698240.

The previous prime is 245055229. The next prime is 245055253. The reversal of 245055233 is 332550542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332550542 = 2166275271.

It can be written as a sum of positive squares in 2 ways, for example, as 193961329 + 51093904 = 13927^2 + 7148^2 .

It is a cyclic number.

It is not a de Polignac number, because 245055233 - 22 = 245055229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245055196 and 245055205.

It is not an unprimeable number, because it can be changed into a prime (245055253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678388 + ... + 1678533.

It is an arithmetic number, because the mean of its divisors is an integer number (62103057).

Almost surely, 2245055233 is an apocalyptic number.

It is an amenable number.

245055233 is a deficient number, since it is larger than the sum of its proper divisors (3356995).

245055233 is an equidigital number, since it uses as much as digits as its factorization.

245055233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356994.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 245055233 is about 15654.2400965361. The cubic root of 245055233 is about 625.7794929144.

The spelling of 245055233 in words is "two hundred forty-five million, fifty-five thousand, two hundred thirty-three".

Divisors: 1 73 3356921 245055233