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47050561 is a prime number
BaseRepresentation
bin1011001101111…
…0111101000001
310021112102020101
42303132331001
544021104221
64400242401
71110631435
oct263367501
9107472211
1047050561
1124616868
1213910401
139994a8c
14636a9c5
1541e5d91
hex2cdef41

47050561 has 2 divisors, whose sum is σ = 47050562. Its totient is φ = 47050560.

The previous prime is 47050541. The next prime is 47050567. The reversal of 47050561 is 16505074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 59536 = 6855^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 47050561 - 211 = 47048513 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47050567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23525280 + 23525281.

It is an arithmetic number, because the mean of its divisors is an integer number (23525281).

Almost surely, 247050561 is an apocalyptic number.

It is an amenable number.

47050561 is a deficient number, since it is larger than the sum of its proper divisors (1).

47050561 is an equidigital number, since it uses as much as digits as its factorization.

47050561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 47050561 is about 6859.3411491192. The cubic root of 47050561 is about 361.0119700453.

The spelling of 47050561 in words is "forty-seven million, fifty thousand, five hundred sixty-one".