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47298661 is a prime number
BaseRepresentation
bin1011010001101…
…1100001100101
310022000000120021
42310123201211
544102024121
64405435141
71113013654
oct264334145
9108000507
1047298661
1124776203
1213a0bab1
139a50997
1463d319b
154244641
hex2d1b865

47298661 has 2 divisors, whose sum is σ = 47298662. Its totient is φ = 47298660.

The previous prime is 47298659. The next prime is 47298751. The reversal of 47298661 is 16689274.

47298661 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 can be written as a sum of positive squares in only one way, i.e., 47196900 + 101761 = 6870^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 47298661 - 21 = 47298659 is a prime.

Together with 47298659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47298061) 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, 23649330 + 23649331.

It is an arithmetic number, because the mean of its divisors is an integer number (23649331).

Almost surely, 247298661 is an apocalyptic number.

It is an amenable number.

47298661 is a deficient number, since it is larger than the sum of its proper divisors (1).

47298661 is an equidigital number, since it uses as much as digits as its factorization.

47298661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 47298661 is about 6877.4021985049. The cubic root of 47298661 is about 361.6454027956.

The spelling of 47298661 in words is "forty-seven million, two hundred ninety-eight thousand, six hundred sixty-one".