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224213241 = 3713777933
BaseRepresentation
bin11010101110100…
…11100011111001
3120121220012202010
431113103203321
5424344310431
634125400133
75361531630
oct1527234371
9517805663
10224213241
111056207aa
1263109049
13375b4375
1421ac6517
1514a3d846
hexd5d38f9

224213241 has 16 divisors (see below), whose sum is σ = 344156544. Its totient is φ = 127185024.

The previous prime is 224213237. The next prime is 224213251. The reversal of 224213241 is 142312422.

It is not a de Polignac number, because 224213241 - 22 = 224213237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (224213201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36090 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (21509784).

Almost surely, 2224213241 is an apocalyptic number.

224213241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224213241 is a deficient number, since it is larger than the sum of its proper divisors (119943303).

224213241 is a wasteful number, since it uses less digits than its factorization.

224213241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080.

The product of its digits is 768, while the sum is 21.

The square root of 224213241 is about 14973.7517342849. The cubic root of 224213241 is about 607.5104491082.

Adding to 224213241 its reverse (142312422), we get a palindrome (366525663).

The spelling of 224213241 in words is "two hundred twenty-four million, two hundred thirteen thousand, two hundred forty-one".

Divisors: 1 3 7 21 137 411 959 2877 77933 233799 545531 1636593 10676821 32030463 74737747 224213241