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47115 = 335349
BaseRepresentation
bin1011100000001011
32101122000
423200023
53001430
61002043
7254235
oct134013
971560
1047115
1132442
1223323
13185a3
1413255
15de60
hexb80b

47115 has 16 divisors (see below), whose sum is σ = 84000. Its totient is φ = 25056.

The previous prime is 47111. The next prime is 47119. The reversal of 47115 is 51174.

It is an interprime number because it is at equal distance from previous prime (47111) and next prime (47119).

It is not a de Polignac number, because 47115 - 22 = 47111 is a prime.

47115 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47115.

It is not an unprimeable number, because it can be changed into a prime (47111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (5250).

247115 is an apocalyptic number.

47115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47115 is a deficient number, since it is larger than the sum of its proper divisors (36885).

47115 is a wasteful number, since it uses less digits than its factorization.

47115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 47115 is about 217.0598995669. The cubic root of 47115 is about 36.1176705157.

Adding to 47115 its reverse (51174), we get a palindrome (98289).

The spelling of 47115 in words is "forty-seven thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 349 1047 1745 3141 5235 9423 15705 47115