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244414221 = 381471407
BaseRepresentation
bin11101001000101…
…11011100001101
3122000220112021120
432210113130031
51000032223341
640130351153
76025325622
oct1644273415
9560815246
10244414221
11115a69027
1269a2b4b9
133b8380cc
1424664349
15166ce066
hexe91770d

244414221 has 4 divisors (see below), whose sum is σ = 325885632. Its totient is φ = 162942812.

The previous prime is 244414213. The next prime is 244414223. The reversal of 244414221 is 122414442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244414221 - 23 = 244414213 is a prime.

It is a super-2 number, since 2×2444142212 = 119476622854073682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244414191 and 244414200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244414223) 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, 40735701 + ... + 40735706.

It is an arithmetic number, because the mean of its divisors is an integer number (81471408).

Almost surely, 2244414221 is an apocalyptic number.

It is an amenable number.

244414221 is a deficient number, since it is larger than the sum of its proper divisors (81471411).

244414221 is an equidigital number, since it uses as much as digits as its factorization.

244414221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81471410.

The product of its digits is 2048, while the sum is 24.

The square root of 244414221 is about 15633.7526205323. The cubic root of 244414221 is about 625.2333814288.

Adding to 244414221 its reverse (122414442), we get a palindrome (366828663).

The spelling of 244414221 in words is "two hundred forty-four million, four hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 3 81471407 244414221