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47008963 = 115340771
BaseRepresentation
bin1011001101010…
…0110011000011
310021110022011201
42303110303003
544013241323
64355322031
71110366241
oct263246303
9107408151
1047008963
1124598591
12138b0317
13997bb71
146359791
1541d88ad
hex2cd4cc3

47008963 has 4 divisors (see below), whose sum is σ = 47050888. Its totient is φ = 46967040.

The previous prime is 47008879. The next prime is 47008991. The reversal of 47008963 is 36980074.

47008963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47008963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47008993) 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 3 ways as a sum of consecutive naturals, for example, 19233 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (11762722).

Almost surely, 247008963 is an apocalyptic number.

47008963 is a deficient number, since it is larger than the sum of its proper divisors (41925).

47008963 is a wasteful number, since it uses less digits than its factorization.

47008963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41924.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 47008963 is about 6856.3082631982. The cubic root of 47008963 is about 360.9055469162.

The spelling of 47008963 in words is "forty-seven million, eight thousand, nine hundred sixty-three".

Divisors: 1 1153 40771 47008963