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47397349 is a prime number
BaseRepresentation
bin1011010011001…
…1100111100101
310022012000221101
42310303213211
544113203344
64411520101
71113604456
oct264634745
9108160841
1047397349
112483336a
1213a59031
139a8688c
14641b12d
1542639d4
hex2d339e5

47397349 has 2 divisors, whose sum is σ = 47397350. Its totient is φ = 47397348.

The previous prime is 47397331. The next prime is 47397403. The reversal of 47397349 is 94379374.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39917124 + 7480225 = 6318^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 47397349 - 29 = 47396837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47397299 and 47397308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47397149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23698674 + 23698675.

It is an arithmetic number, because the mean of its divisors is an integer number (23698675).

Almost surely, 247397349 is an apocalyptic number.

It is an amenable number.

47397349 is a deficient number, since it is larger than the sum of its proper divisors (1).

47397349 is an equidigital number, since it uses as much as digits as its factorization.

47397349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 47397349 is about 6884.5732620112. The cubic root of 47397349 is about 361.8967507705.

The spelling of 47397349 in words is "forty-seven million, three hundred ninety-seven thousand, three hundred forty-nine".