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244022945 = 548804589
BaseRepresentation
bin11101000101101…
…11111010100001
3122000011122112212
432202313322201
5444432213240
640114131505
76022106105
oct1642677241
9560148485
10244022945
11115821061
1269880b95
133b72bc9a
14245a1905
1516653165
hexe8b7ea1

244022945 has 4 divisors (see below), whose sum is σ = 292827540. Its totient is φ = 195218352.

The previous prime is 244022927. The next prime is 244022951. The reversal of 244022945 is 549220442.

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 168402529 + 75620416 = 12977^2 + 8696^2 .

It is a cyclic number.

It is not a de Polignac number, because 244022945 - 28 = 244022689 is a prime.

It is a Curzon 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, 24402290 + ... + 24402299.

It is an arithmetic number, because the mean of its divisors is an integer number (73206885).

Almost surely, 2244022945 is an apocalyptic number.

It is an amenable number.

244022945 is a deficient number, since it is larger than the sum of its proper divisors (48804595).

244022945 is an equidigital number, since it uses as much as digits as its factorization.

244022945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48804594.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 244022945 is about 15621.2337861003. The cubic root of 244022945 is about 624.8995635942.

The spelling of 244022945 in words is "two hundred forty-four million, twenty-two thousand, nine hundred forty-five".

Divisors: 1 5 48804589 244022945