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47855 = 517563
BaseRepresentation
bin1011101011101111
32102122102
423223233
53012410
61005315
7256343
oct135357
972572
1047855
1132a55
122383b
1318a22
1413623
15e2a5
hexbaef

47855 has 8 divisors (see below), whose sum is σ = 60912. Its totient is φ = 35968.

The previous prime is 47843. The next prime is 47857. The reversal of 47855 is 55874.

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 47855 - 26 = 47791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47857) 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, 197 + ... + 366.

It is an arithmetic number, because the mean of its divisors is an integer number (7614).

247855 is an apocalyptic number.

47855 is a deficient number, since it is larger than the sum of its proper divisors (13057).

47855 is a wasteful number, since it uses less digits than its factorization.

47855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 5600, while the sum is 29.

The square root of 47855 is about 218.7578570018. The cubic root of 47855 is about 36.3057801560.

The spelling of 47855 in words is "forty-seven thousand, eight hundred fifty-five".

Divisors: 1 5 17 85 563 2815 9571 47855