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47869 is a prime number
BaseRepresentation
bin1011101011111101
32102122221
423223331
53012434
61005341
7256363
oct135375
972587
1047869
1132a68
1223851
1318a33
1413633
15e2b4
hexbafd

47869 has 2 divisors, whose sum is σ = 47870. Its totient is φ = 47868.

The previous prime is 47857. The next prime is 47881. The reversal of 47869 is 96874.

It is a balanced prime because it is at equal distance from previous prime (47857) and next prime (47881).

It can be written as a sum of positive squares in only one way, i.e., 45369 + 2500 = 213^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 47869 - 25 = 47837 is a prime.

It is a super-2 number, since 2×478692 = 4582882322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23934 + 23935.

It is an arithmetic number, because the mean of its divisors is an integer number (23935).

247869 is an apocalyptic number.

It is an amenable number.

47869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47869 is an equidigital number, since it uses as much as digits as its factorization.

47869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 47869 is about 218.7898535125. The cubic root of 47869 is about 36.3093202345.

The spelling of 47869 in words is "forty-seven thousand, eight hundred sixty-nine".