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47268249 = 372250869
BaseRepresentation
bin1011010001010…
…0000110011001
310021221110211220
42310110012121
544100040444
64405042253
71112526210
oct264240631
9107843756
1047268249
1124755376
12139b6389
139a3cba2
1463c6077
15423a619
hex2d14199

47268249 has 8 divisors (see below), whose sum is σ = 72027840. Its totient is φ = 27010416.

The previous prime is 47268241. The next prime is 47268253. The reversal of 47268249 is 94286274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47268249 - 23 = 47268241 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47268249.

It is not an unprimeable number, because it can be changed into a prime (47268241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125414 + ... + 1125455.

It is an arithmetic number, because the mean of its divisors is an integer number (9003480).

Almost surely, 247268249 is an apocalyptic number.

It is an amenable number.

47268249 is a deficient number, since it is larger than the sum of its proper divisors (24759591).

47268249 is a wasteful number, since it uses less digits than its factorization.

47268249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250879.

The product of its digits is 193536, while the sum is 42.

The square root of 47268249 is about 6875.1908337151. The cubic root of 47268249 is about 361.5678761607.

The spelling of 47268249 in words is "forty-seven million, two hundred sixty-eight thousand, two hundred forty-nine".

Divisors: 1 3 7 21 2250869 6752607 15756083 47268249