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47997241 is a prime number
BaseRepresentation
bin1011011100011…
…0000100111001
310100022111211121
42313012010321
544241402431
64432425241
71121653435
oct267060471
9110274747
1047997241
1125103046
12140a8221
139c36946
1465359c5
154331611
hex2dc6139

47997241 has 2 divisors, whose sum is σ = 47997242. Its totient is φ = 47997240.

The previous prime is 47997227. The next prime is 47997253. The reversal of 47997241 is 14279974.

47997241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 41616 = 6925^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 47997241 - 215 = 47964473 is a prime.

It is a super-2 number, since 2×479972412 = 4607470287224162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47997841) 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, 23998620 + 23998621.

It is an arithmetic number, because the mean of its divisors is an integer number (23998621).

Almost surely, 247997241 is an apocalyptic number.

It is an amenable number.

47997241 is a deficient number, since it is larger than the sum of its proper divisors (1).

47997241 is an equidigital number, since it uses as much as digits as its factorization.

47997241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 47997241 is about 6928.0041137401. The cubic root of 47997241 is about 363.4171553279.

The spelling of 47997241 in words is "forty-seven million, nine hundred ninety-seven thousand, two hundred forty-one".