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244501945 = 548900389
BaseRepresentation
bin11101001001011…
…00110110111001
3122001001222121121
432210230312321
51000043030240
640132305241
76026142442
oct1644546671
9561058547
10244501945
11116018a26
1269a72221
133b86900c
14246882c9
15166ea04a
hexe92cdb9

244501945 has 4 divisors (see below), whose sum is σ = 293402340. Its totient is φ = 195601552.

The previous prime is 244501931. The next prime is 244501963. The reversal of 244501945 is 549105442.

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 53758224 + 190743721 = 7332^2 + 13811^2 .

It is a cyclic number.

It is not a de Polignac number, because 244501945 - 215 = 244469177 is a prime.

It is a super-2 number, since 2×2445019452 = 119562402217566050, 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 244501945.

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, 24450190 + ... + 24450199.

It is an arithmetic number, because the mean of its divisors is an integer number (73350585).

Almost surely, 2244501945 is an apocalyptic number.

It is an amenable number.

244501945 is a deficient number, since it is larger than the sum of its proper divisors (48900395).

244501945 is an equidigital number, since it uses as much as digits as its factorization.

244501945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48900394.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 244501945 is about 15636.5579652301. The cubic root of 244501945 is about 625.3081744207.

The spelling of 244501945 in words is "two hundred forty-four million, five hundred one thousand, nine hundred forty-five".

Divisors: 1 5 48900389 244501945