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47230247 = 2314332
BaseRepresentation
bin1011010000101…
…0110100100111
310021212112201102
42310022310213
544042331442
64404150315
71112310341
oct264126447
9107775642
1047230247
1124729869
121399839b
139a287bc
1463b6291
15422e232
hex2d0ad27

47230247 has 6 divisors (see below), whose sum is σ = 49318152. Its totient is φ = 45145232.

The previous prime is 47230223. The next prime is 47230259. The reversal of 47230247 is 74203274.

47230247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47230247 - 220 = 46181671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47230217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32243 + ... + 33675.

It is an arithmetic number, because the mean of its divisors is an integer number (8219692).

Almost surely, 247230247 is an apocalyptic number.

47230247 is a deficient number, since it is larger than the sum of its proper divisors (2087905).

47230247 is an frugal number, since it uses more digits than its factorization.

47230247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47230247 is about 6872.4265729071. The cubic root of 47230247 is about 361.4709542550.

The spelling of 47230247 in words is "forty-seven million, two hundred thirty thousand, two hundred forty-seven".

Divisors: 1 23 1433 32959 2053489 47230247