Search a number
BaseRepresentation
bin1011100110001101
32102011022
423212031
53010001
61003525
7255326
oct134615
972138
1047501
1132763
12235a5
131880c
141344d
15e11b
hexb98d

47501 has 2 divisors, whose sum is σ = 47502. Its totient is φ = 47500.

The previous prime is 47497. The next prime is 47507. The reversal of 47501 is 10574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 5476 = 205^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 47501 - 22 = 47497 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 47501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750 + 23751.

It is an arithmetic number, because the mean of its divisors is an integer number (23751).

247501 is an apocalyptic number.

It is an amenable number.

47501 is a deficient number, since it is larger than the sum of its proper divisors (1).

47501 is an equidigital number, since it uses as much as digits as its factorization.

47501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 47501 is about 217.9472413223. The cubic root of 47501 is about 36.2160363613.

The spelling of 47501 in words is "forty-seven thousand, five hundred one".