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47254231 is a prime number
BaseRepresentation
bin1011010001000…
…0101011010111
310021220202121201
42310100223113
544044113411
64404453331
71112440303
oct264205327
9107822551
1047254231
1124745892
12139aa247
139a366ab
1463c0d03
1542363c1
hex2d10ad7

47254231 has 2 divisors, whose sum is σ = 47254232. Its totient is φ = 47254230.

The previous prime is 47254219. The next prime is 47254289. The reversal of 47254231 is 13245274.

47254231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47254231 - 223 = 38865623 is a prime.

It is a super-2 number, since 2×472542312 = 4465924694802722, which contains 22 as substring.

It is equal to p2846035 and since 47254231 and 2846035 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47254231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47254201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23627115 + 23627116.

It is an arithmetic number, because the mean of its divisors is an integer number (23627116).

Almost surely, 247254231 is an apocalyptic number.

47254231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47254231 is an equidigital number, since it uses as much as digits as its factorization.

47254231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 47254231 is about 6874.1712955090. The cubic root of 47254231 is about 361.5321301105.

The spelling of 47254231 in words is "forty-seven million, two hundred fifty-four thousand, two hundred thirty-one".