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47000 = 235347
BaseRepresentation
bin1011011110011000
32101110202
423132120
53001000
61001332
7254012
oct133630
971422
1047000
1132348
1223248
1318515
14131b2
15ddd5
hexb798

47000 has 32 divisors (see below), whose sum is σ = 112320. Its totient is φ = 18400.

The previous prime is 46997. The next prime is 47017. The reversal of 47000 is 74.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (3510).

247000 is an apocalyptic number.

47000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56160).

47000 is an abundant number, since it is smaller than the sum of its proper divisors (65320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47000 is a wasteful number, since it uses less digits than its factorization.

47000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 47000 is about 216.7948338868. The cubic root of 47000 is about 36.0882608014.

Adding to 47000 its reverse (74), we get a palindrome (47074).

The spelling of 47000 in words is "forty-seven thousand", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 125 188 200 235 250 376 470 500 940 1000 1175 1880 2350 4700 5875 9400 11750 23500 47000