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245052265 = 549010453
BaseRepresentation
bin11101001101100…
…11001101101001
3122002002221111211
432212303031221
51000213133030
640152153121
76033624043
oct1646631551
9562087454
10245052265
11116364437
126a0987a1
133b9cc653
142478ca93
15167a812a
hexe9b3369

245052265 has 4 divisors (see below), whose sum is σ = 294062724. Its totient is φ = 196041808.

The previous prime is 245052259. The next prime is 245052287. The reversal of 245052265 is 562250542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111788329 + 133263936 = 10573^2 + 11544^2 .

It is a cyclic number.

It is not a de Polignac number, because 245052265 - 23 = 245052257 is a prime.

It is a super-2 number, since 2×2450522652 = 120101225163260450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24505222 + ... + 24505231.

It is an arithmetic number, because the mean of its divisors is an integer number (73515681).

Almost surely, 2245052265 is an apocalyptic number.

It is an amenable number.

245052265 is a deficient number, since it is larger than the sum of its proper divisors (49010459).

245052265 is an equidigital number, since it uses as much as digits as its factorization.

245052265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010458.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 245052265 is about 15654.1452976520. The cubic root of 245052265 is about 625.7769665166.

The spelling of 245052265 in words is "two hundred forty-five million, fifty-two thousand, two hundred sixty-five".

Divisors: 1 5 49010453 245052265