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2243241 = 337111383
BaseRepresentation
bin1000100011101010101001
311012222011000
420203222221
51033240431
6120025213
725032030
oct10435251
94188130
102243241
1112a2420
12902209
13607080
14425717
152e49e6
hex223aa9

2243241 has 64 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1062720.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243241 is 1423422.

2243241 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 2243241 - 25 = 2243209 is a prime.

It is an Ulam number.

It is a Curzon number.

2243241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2243221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26986 + ... + 27068.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

22243241 is an apocalyptic number.

2243241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2243241 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2243241 is a wasteful number, since it uses less digits than its factorization.

2243241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 117 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2243241 is about 1497.7453054508. The cubic root of 2243241 is about 130.9057263182.

Adding to 2243241 its reverse (1423422), we get a palindrome (3666663).

The spelling of 2243241 in words is "two million, two hundred forty-three thousand, two hundred forty-one".

Divisors: 1 3 7 9 11 13 21 27 33 39 63 77 83 91 99 117 143 189 231 249 273 297 351 429 581 693 747 819 913 1001 1079 1287 1743 2079 2241 2457 2739 3003 3237 3861 5229 6391 7553 8217 9009 9711 11869 15687 19173 22659 24651 27027 29133 35607 57519 67977 83083 106821 172557 203931 249249 320463 747747 2243241