Search a number
-
+
47255 = 513727
BaseRepresentation
bin1011100010010111
32101211012
423202113
53003010
61002435
7254525
oct134227
971735
1047255
113255a
122341b
1318680
1413315
15e005
hexb897

47255 has 8 divisors (see below), whose sum is σ = 61152. Its totient is φ = 34848.

The previous prime is 47251. The next prime is 47269. The reversal of 47255 is 55274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47255 - 22 = 47251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47255.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47255.

It is not an unprimeable number, because it can be changed into a prime (47251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (7644).

247255 is an apocalyptic number.

47255 is a deficient number, since it is larger than the sum of its proper divisors (13897).

47255 is a wasteful number, since it uses less digits than its factorization.

47255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 1400, while the sum is 23.

The square root of 47255 is about 217.3821519813. The cubic root of 47255 is about 36.1534091252.

Adding to 47255 its sum of digits (23), we get a triangular number (47278 = T307).

The spelling of 47255 in words is "forty-seven thousand, two hundred fifty-five".

Divisors: 1 5 13 65 727 3635 9451 47255