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472485887 = 1512131247
BaseRepresentation
bin11100001010011…
…000111111111111
31012221001202210022
4130022120333333
51431424022022
6114515002355
714465030606
oct3412307777
91187052708
10472485887
11222784705
121122993bb
1376b70763
1446a72a3d
152b730c42
hex1c298fff

472485887 has 4 divisors (see below), whose sum is σ = 472532256. Its totient is φ = 472439520.

The previous prime is 472485851. The next prime is 472485889. The reversal of 472485887 is 788584274.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 472485887 - 28 = 472485631 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 (472485889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 30744.

It is an arithmetic number, because the mean of its divisors is an integer number (118133064).

Almost surely, 2472485887 is an apocalyptic number.

472485887 is a deficient number, since it is larger than the sum of its proper divisors (46369).

472485887 is a wasteful number, since it uses less digits than its factorization.

472485887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46368.

The product of its digits is 4014080, while the sum is 53.

The square root of 472485887 is about 21736.7404870187. The cubic root of 472485887 is about 778.8663605265.

It can be divided in two parts, 47248 and 5887, that added together give a palindrome (53135).

The spelling of 472485887 in words is "four hundred seventy-two million, four hundred eighty-five thousand, eight hundred eighty-seven".

Divisors: 1 15121 31247 472485887