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47301389 is a prime number
BaseRepresentation
bin1011010001110…
…0001100001101
310022000011022022
42310130030031
544102121024
64405455525
71113024632
oct264341415
9108004268
1047301389
1124778263
1213a115a5
139a51cb5
1463d4189
15424535e
hex2d1c30d

47301389 has 2 divisors, whose sum is σ = 47301390. Its totient is φ = 47301388.

The previous prime is 47301379. The next prime is 47301403. The reversal of 47301389 is 98310374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 22401289 = 4990^2 + 4733^2 .

It is a cyclic number.

It is not a de Polignac number, because 47301389 - 220 = 46252813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47301379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23650694 + 23650695.

It is an arithmetic number, because the mean of its divisors is an integer number (23650695).

Almost surely, 247301389 is an apocalyptic number.

It is an amenable number.

47301389 is a deficient number, since it is larger than the sum of its proper divisors (1).

47301389 is an equidigital number, since it uses as much as digits as its factorization.

47301389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47301389 is about 6877.6005263464. The cubic root of 47301389 is about 361.6523554215.

The spelling of 47301389 in words is "forty-seven million, three hundred one thousand, three hundred eighty-nine".