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47325281 is a prime number
BaseRepresentation
bin1011010010001…
…0000001100001
310022001101002012
42310202001201
544103402111
64410202305
71113154403
oct264420141
9108041065
1047325281
1124794203
1213a23395
139a5cb33
1463dcb73
15424c48b
hex2d22061

47325281 has 2 divisors, whose sum is σ = 47325282. Its totient is φ = 47325280.

The previous prime is 47325277. The next prime is 47325301. The reversal of 47325281 is 18252374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 6250000 = 6409^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 47325281 - 22 = 47325277 is a prime.

It is a super-2 number, since 2×473252812 = 4479364443457922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47325221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662640 + 23662641.

It is an arithmetic number, because the mean of its divisors is an integer number (23662641).

Almost surely, 247325281 is an apocalyptic number.

It is an amenable number.

47325281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47325281 is an equidigital number, since it uses as much as digits as its factorization.

47325281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 47325281 is about 6879.3372500554. The cubic root of 47325281 is about 361.7132355484.

The spelling of 47325281 in words is "forty-seven million, three hundred twenty-five thousand, two hundred eighty-one".