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47224 = 235903
BaseRepresentation
bin1011100001111000
32101210001
423201320
53002344
61002344
7254452
oct134170
971701
1047224
1132531
12233b4
1318658
14132d2
15ded4
hexb878

47224 has 8 divisors (see below), whose sum is σ = 88560. Its totient is φ = 23608.

The previous prime is 47221. The next prime is 47237. The reversal of 47224 is 42274.

47224 is nontrivially palindromic in base 7.

47224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2944 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (11070).

247224 is an apocalyptic number.

It is an amenable number.

47224 is a deficient number, since it is larger than the sum of its proper divisors (41336).

47224 is a wasteful number, since it uses less digits than its factorization.

47224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909 (or 5905 counting only the distinct ones).

The product of its digits is 448, while the sum is 19.

The square root of 47224 is about 217.3108372815. The cubic root of 47224 is about 36.1455016667.

Adding to 47224 its reverse (42274), we get a palindrome (89498).

Subtracting from 47224 its reverse (42274), we obtain a triangular number (4950 = T99).

It can be divided in two parts, 472 and 24, that added together give a triangular number (496 = T31).

The spelling of 47224 in words is "forty-seven thousand, two hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 8 5903 11806 23612 47224