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224078431 is a prime number
BaseRepresentation
bin11010101101100…
…10101001011111
3120121122100211011
431112302221133
5424331002211
634122440051
75360430613
oct1526625137
9517570734
10224078431
11105539495
1263063027
1337567bb5
1421a8d343
1514a13921
hexd5b2a5f

224078431 has 2 divisors, whose sum is σ = 224078432. Its totient is φ = 224078430.

The previous prime is 224078417. The next prime is 224078467. The reversal of 224078431 is 134870422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224078431 - 211 = 224076383 is a prime.

It is a super-2 number, since 2×2240784312 = 100422286478843522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224078393 and 224078402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224078831) 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 as a sum of consecutive naturals, namely, 112039215 + 112039216.

It is an arithmetic number, because the mean of its divisors is an integer number (112039216).

Almost surely, 2224078431 is an apocalyptic number.

224078431 is a deficient number, since it is larger than the sum of its proper divisors (1).

224078431 is an equidigital number, since it uses as much as digits as its factorization.

224078431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 224078431 is about 14969.2495135862. The cubic root of 224078431 is about 607.3886678628.

The spelling of 224078431 in words is "two hundred twenty-four million, seventy-eight thousand, four hundred thirty-one".