Search a number
-
+
224031949 is a prime number
BaseRepresentation
bin11010101101001…
…11010011001101
3120121120000001121
431112213103031
5424323010244
634121440541
75360145241
oct1526472315
9517500047
10224031949
11105507579
1263040151
133754c9ab
1421a7a421
1514a04c84
hexd5a74cd

224031949 has 2 divisors, whose sum is σ = 224031950. Its totient is φ = 224031948.

The previous prime is 224031943. The next prime is 224031953. The reversal of 224031949 is 949130422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145974724 + 78057225 = 12082^2 + 8835^2 .

It is a cyclic number.

It is not a de Polignac number, because 224031949 - 25 = 224031917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224031943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112015974 + 112015975.

It is an arithmetic number, because the mean of its divisors is an integer number (112015975).

Almost surely, 2224031949 is an apocalyptic number.

It is an amenable number.

224031949 is a deficient number, since it is larger than the sum of its proper divisors (1).

224031949 is an equidigital number, since it uses as much as digits as its factorization.

224031949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 224031949 is about 14967.6968502171. The cubic root of 224031949 is about 607.3466668064.

The spelling of 224031949 in words is "two hundred twenty-four million, thirty-one thousand, nine hundred forty-nine".