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47465149 is a prime number
BaseRepresentation
bin1011010100010…
…0001010111101
310022022110221111
42311010022331
544122341044
64413202021
71114306234
oct265041275
9108273844
1047465149
112487a2a6
1213a90311
139aab6b4
146437b1b
154278b34
hex2d442bd

47465149 has 2 divisors, whose sum is σ = 47465150. Its totient is φ = 47465148.

The previous prime is 47465113. The next prime is 47465153. The reversal of 47465149 is 94156474.

47465149 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., 43797924 + 3667225 = 6618^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 47465149 - 215 = 47432381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47465179) 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, 23732574 + 23732575.

It is an arithmetic number, because the mean of its divisors is an integer number (23732575).

Almost surely, 247465149 is an apocalyptic number.

It is an amenable number.

47465149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47465149 is an equidigital number, since it uses as much as digits as its factorization.

47465149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 47465149 is about 6889.4955548284. The cubic root of 47465149 is about 362.0692281345.

The spelling of 47465149 in words is "forty-seven million, four hundred sixty-five thousand, one hundred forty-nine".