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47070869 is a prime number
BaseRepresentation
bin1011001110001…
…1111010010101
310021120110002112
42303203322111
544022231434
64400520405
71111044566
oct263437225
9107513075
1047070869
112463004a
1213920105
1399a10b1
14637416d
1541ebdce
hex2ce3e95

47070869 has 2 divisors, whose sum is σ = 47070870. Its totient is φ = 47070868.

The previous prime is 47070839. The next prime is 47070889. The reversal of 47070869 is 96807074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25633969 + 21436900 = 5063^2 + 4630^2 .

It is a cyclic number.

It is not a de Polignac number, because 47070869 - 216 = 47005333 is a prime.

It is a super-2 number, since 2×470708692 = 4431333416830322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47070839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23535434 + 23535435.

It is an arithmetic number, because the mean of its divisors is an integer number (23535435).

Almost surely, 247070869 is an apocalyptic number.

It is an amenable number.

47070869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47070869 is an equidigital number, since it uses as much as digits as its factorization.

47070869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 47070869 is about 6860.8213065201. The cubic root of 47070869 is about 361.0639026641.

The spelling of 47070869 in words is "forty-seven million, seventy thousand, eight hundred sixty-nine".