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243112244 = 2260778061
BaseRepresentation
bin11100111110110…
…01100100110100
3121221110101022012
432133121210310
5444214042434
640042423352
76011264024
oct1637314464
9557411265
10243112244
11115259911
1269501b58
133b4a05cb
1424405a84
15165233ce
hexe7d9934

243112244 has 6 divisors (see below), whose sum is σ = 425446434. Its totient is φ = 121556120.

The previous prime is 243112217. The next prime is 243112253. The reversal of 243112244 is 442211342.

It can be written as a sum of positive squares in only one way, i.e., 219395344 + 23716900 = 14812^2 + 4870^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30389027 + ... + 30389034.

It is an arithmetic number, because the mean of its divisors is an integer number (70907739).

Almost surely, 2243112244 is an apocalyptic number.

It is an amenable number.

243112244 is a deficient number, since it is larger than the sum of its proper divisors (182334190).

243112244 is a wasteful number, since it uses less digits than its factorization.

243112244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60778065 (or 60778063 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 243112244 is about 15592.0570804496. The cubic root of 243112244 is about 624.1212131664.

Adding to 243112244 its reverse (442211342), we get a palindrome (685323586).

The spelling of 243112244 in words is "two hundred forty-three million, one hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 4 60778061 121556122 243112244