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47609069 is a prime number
BaseRepresentation
bin1011010110011…
…1010011101101
310022120210100212
42311213103231
544141442234
64420232205
71115445644
oct265472355
9108523325
1047609069
1124968442
1213b3b665
139b2c061
14647435b
1542a65ce
hex2d674ed

47609069 has 2 divisors, whose sum is σ = 47609070. Its totient is φ = 47609068.

The previous prime is 47609063. The next prime is 47609071. The reversal of 47609069 is 96090674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35844169 + 11764900 = 5987^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 47609069 - 24 = 47609053 is a prime.

It is a super-2 number, since 2×476090692 = 4533246902093522, which contains 22 as substring.

Together with 47609071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47609063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23804534 + 23804535.

It is an arithmetic number, because the mean of its divisors is an integer number (23804535).

Almost surely, 247609069 is an apocalyptic number.

It is an amenable number.

47609069 is a deficient number, since it is larger than the sum of its proper divisors (1).

47609069 is an equidigital number, since it uses as much as digits as its factorization.

47609069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 47609069 is about 6899.9325359021. The cubic root of 47609069 is about 362.4348046051.

The spelling of 47609069 in words is "forty-seven million, six hundred nine thousand, sixty-nine".