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472786878 = 2378797813
BaseRepresentation
bin11100001011100…
…010011110111110
31012221122001200010
4130023202132332
51432013140003
6114525244050
714500423254
oct3413423676
91187561603
10472786878
1122296a863
12112403626
1376c47765
1446b105d4
152b790003
hex1c2e27be

472786878 has 8 divisors (see below), whose sum is σ = 945573768. Its totient is φ = 157595624.

The previous prime is 472786753. The next prime is 472786901. The reversal of 472786878 is 878687274.

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

472786878 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39398901 + ... + 39398912.

It is an arithmetic number, because the mean of its divisors is an integer number (118196721).

Almost surely, 2472786878 is an apocalyptic number.

472786878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472786878 is a wasteful number, since it uses less digits than its factorization.

472786878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78797818.

The product of its digits is 8429568, while the sum is 57.

The square root of 472786878 is about 21743.6629388887. The cubic root of 472786878 is about 779.0317143202.

The spelling of 472786878 in words is "four hundred seventy-two million, seven hundred eighty-six thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 78797813 157595626 236393439 472786878