Search a number
-
+
47266979 is a prime number
BaseRepresentation
bin1011010001001…
…1110010100011
310021221102002212
42310103302203
544100020404
64405032335
71112522414
oct264236243
9107842085
1047266979
1124754421
12139b56ab
139a3c436
1463c580b
15423a06e
hex2d13ca3

47266979 has 2 divisors, whose sum is σ = 47266980. Its totient is φ = 47266978.

The previous prime is 47266969. The next prime is 47266997. The reversal of 47266979 is 97966274.

47266979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (47266997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47266979 - 24 = 47266963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47266939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23633489 + 23633490.

It is an arithmetic number, because the mean of its divisors is an integer number (23633490).

Almost surely, 247266979 is an apocalyptic number.

47266979 is a deficient number, since it is larger than the sum of its proper divisors (1).

47266979 is an equidigital number, since it uses as much as digits as its factorization.

47266979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 47266979 is about 6875.0984720221. The cubic root of 47266979 is about 361.5646379383.

The spelling of 47266979 in words is "forty-seven million, two hundred sixty-six thousand, nine hundred seventy-nine".