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47390801 is a prime number
BaseRepresentation
bin1011010011001…
…0000001010001
310022011200221212
42310302001101
544113001201
64411425505
71113546413
oct264620121
9108150855
1047390801
1124829457
1213a55295
139a838c3
1464189b3
154261abb
hex2d32051

47390801 has 2 divisors, whose sum is σ = 47390802. Its totient is φ = 47390800.

The previous prime is 47390771. The next prime is 47390803. The reversal of 47390801 is 10809374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 5452225 = 6476^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 47390801 - 26 = 47390737 is a prime.

Together with 47390803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47390803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23695400 + 23695401.

It is an arithmetic number, because the mean of its divisors is an integer number (23695401).

Almost surely, 247390801 is an apocalyptic number.

It is an amenable number.

47390801 is a deficient number, since it is larger than the sum of its proper divisors (1).

47390801 is an equidigital number, since it uses as much as digits as its factorization.

47390801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 47390801 is about 6884.0976896032. The cubic root of 47390801 is about 361.8800845145.

The spelling of 47390801 in words is "forty-seven million, three hundred ninety thousand, eight hundred one".