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47275223 = 83569581
BaseRepresentation
bin1011010001010…
…1110011010111
310021221211102012
42310111303113
544100301343
64405134435
71112555432
oct264256327
9107854365
1047275223
112475a636
12139ba41b
139a43108
1463c8819
15423c718
hex2d15cd7

47275223 has 4 divisors (see below), whose sum is σ = 47844888. Its totient is φ = 46705560.

The previous prime is 47275213. The next prime is 47275229. The reversal of 47275223 is 32257274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47275223 - 28 = 47274967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47275223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47275229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284708 + ... + 284873.

It is an arithmetic number, because the mean of its divisors is an integer number (11961222).

Almost surely, 247275223 is an apocalyptic number.

47275223 is a deficient number, since it is larger than the sum of its proper divisors (569665).

47275223 is an equidigital number, since it uses as much as digits as its factorization.

47275223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569664.

The product of its digits is 23520, while the sum is 32.

The square root of 47275223 is about 6875.6980009305. The cubic root of 47275223 is about 361.5856573029.

The spelling of 47275223 in words is "forty-seven million, two hundred seventy-five thousand, two hundred twenty-three".

Divisors: 1 83 569581 47275223