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4812928 = 27191979
BaseRepresentation
bin10010010111000010000000
3100001112002121
4102113002000
52213003203
6251054024
755623601
oct22270200
910045077
104812928
11279802a
121741314
13cc68b3
148d3da8
156510bd
hex497080

4812928 has 32 divisors (see below), whose sum is σ = 10098000. Its totient is φ = 2278656.

The previous prime is 4812889. The next prime is 4812931. The reversal of 4812928 is 8292184.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 4812893 and 4812902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443 + ... + 3421.

Almost surely, 24812928 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 4812928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5049000).

4812928 is an abundant number, since it is smaller than the sum of its proper divisors (5285072).

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

4812928 is a wasteful number, since it uses less digits than its factorization.

4812928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2000 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 4812928 is about 2193.8386449327. The cubic root of 4812928 is about 168.8378403220.

The spelling of 4812928 in words is "four million, eight hundred twelve thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 1979 2432 3958 7916 15832 31664 37601 63328 75202 126656 150404 253312 300808 601616 1203232 2406464 4812928