Search a number
-
+
478042332 = 22339836861
BaseRepresentation
bin11100011111100…
…101100011011100
31020022112001210120
4130133211203130
51434334323312
6115234034540
714563202265
oct3437454334
91208461716
10478042332
1122592a309
12114118a50
13780678b1
14476bb96c
152be7c28c
hex1c7e58dc

478042332 has 12 divisors (see below), whose sum is σ = 1115432136. Its totient is φ = 159347440.

The previous prime is 478042307. The next prime is 478042333. The reversal of 478042332 is 233240874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 478042293 and 478042302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478042333) by changing a digit.

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, 19918419 + ... + 19918442.

It is an arithmetic number, because the mean of its divisors is an integer number (92952678).

Almost surely, 2478042332 is an apocalyptic number.

It is an amenable number.

478042332 is an abundant number, since it is smaller than the sum of its proper divisors (637389804).

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

478042332 is a wasteful number, since it uses less digits than its factorization.

478042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39836868 (or 39836866 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 478042332 is about 21864.1791979484. The cubic root of 478042332 is about 781.9076318536.

The spelling of 478042332 in words is "four hundred seventy-eight million, forty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 39836861 79673722 119510583 159347444 239021166 478042332