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47040323 = 112439041
BaseRepresentation
bin1011001101110…
…0011101000011
310021111220012012
42303130131003
544020242243
64400123135
71110556541
oct263343503
9107456165
1047040323
112460a100
12139064ab
139990215
146366d91
1541e2d18
hex2cdc743

47040323 has 12 divisors (see below), whose sum is σ = 52913784. Its totient is φ = 41764800.

The previous prime is 47040311. The next prime is 47040347. The reversal of 47040323 is 32304074.

It is a happy number.

It is not a de Polignac number, because 47040323 - 210 = 47039299 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47040223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (4409482).

Almost surely, 247040323 is an apocalyptic number.

47040323 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47040323 is a deficient number, since it is larger than the sum of its proper divisors (5873461).

47040323 is a wasteful number, since it uses less digits than its factorization.

47040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9095 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 47040323 is about 6858.5948269307. The cubic root of 47040323 is about 360.9857832611.

Adding to 47040323 its reverse (32304074), we get a palindrome (79344397).

The spelling of 47040323 in words is "forty-seven million, forty thousand, three hundred twenty-three".

Divisors: 1 11 43 121 473 5203 9041 99451 388763 1093961 4276393 47040323