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47425 = 527271
BaseRepresentation
bin1011100101000001
32102001111
423211001
53004200
61003321
7255160
oct134501
972044
1047425
11326a4
1223541
1318781
14133d7
15e0ba
hexb941

47425 has 12 divisors (see below), whose sum is σ = 67456. Its totient is φ = 32400.

The previous prime is 47419. The next prime is 47431. The reversal of 47425 is 52474.

47425 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (47419) and next prime (47431).

It is not a de Polignac number, because 47425 - 23 = 47417 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

47425 is a lucky number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 47396 and 47405.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 40 + ... + 310.

247425 is an apocalyptic number.

It is an amenable number.

47425 is a deficient number, since it is larger than the sum of its proper divisors (20031).

47425 is a wasteful number, since it uses less digits than its factorization.

47425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 283 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 47425 is about 217.7728174038. The cubic root of 47425 is about 36.1967112383.

Adding to 47425 its reverse (52474), we get a palindrome (99899).

The spelling of 47425 in words is "forty-seven thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 271 1355 1897 6775 9485 47425