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472208808 = 23341617867
BaseRepresentation
bin11100001001010…
…101010110101000
31012220112200201010
4130021111112220
51431341140213
6114505023520
714462465031
oct3411252650
91186480633
10472208808
11222605515
12112184ba0
1376aa45c6
14469dda88
152b6c8ac3
hex1c2555a8

472208808 has 64 divisors (see below), whose sum is σ = 1229296320. Its totient is φ = 151027200.

The previous prime is 472208797. The next prime is 472208809. The reversal of 472208808 is 808802274.

It is not an unprimeable number, because it can be changed into a prime (472208809) 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 15 ways as a sum of consecutive naturals, for example, 56091 + ... + 63957.

It is an arithmetic number, because the mean of its divisors is an integer number (19207755).

Almost surely, 2472208808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472208808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614648160).

472208808 is an abundant number, since it is smaller than the sum of its proper divisors (757087512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472208808 is a wasteful number, since it uses less digits than its factorization.

472208808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7978 (or 7974 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 472208808 is about 21730.3660346530. The cubic root of 472208808 is about 778.7140810495.

The spelling of 472208808 in words is "four hundred seventy-two million, two hundred eight thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 41 61 82 122 123 164 183 244 246 328 366 488 492 732 984 1464 2501 5002 7503 7867 10004 15006 15734 20008 23601 30012 31468 47202 60024 62936 94404 188808 322547 479887 645094 959774 967641 1290188 1439661 1919548 1935282 2580376 2879322 3839096 3870564 5758644 7741128 11517288 19675367 39350734 59026101 78701468 118052202 157402936 236104404 472208808