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3028928 = 2676761
BaseRepresentation
bin1011100011011111000000
312200212220112
423203133000
51233411203
6144530452
734513460
oct13433700
95625815
103028928
111789751
121020a28
13820886
1458bba0
153ec6d8
hex2e37c0

3028928 has 28 divisors (see below), whose sum is σ = 6870192. Its totient is φ = 1297920.

The previous prime is 3028913. The next prime is 3028943. The reversal of 3028928 is 8298203.

It is a happy number.

3028928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3028913) and next prime (3028943).

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3028894 and 3028903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (245364).

Almost surely, 23028928 is an apocalyptic number.

It is an amenable number.

3028928 is an abundant number, since it is smaller than the sum of its proper divisors (3841264).

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

3028928 is an equidigital number, since it uses as much as digits as its factorization.

3028928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3028928 is about 1740.3815673581. The cubic root of 3028928 is about 144.6870460034.

The spelling of 3028928 in words is "three million, twenty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 6761 13522 27044 47327 54088 94654 108176 189308 216352 378616 432704 757232 1514464 3028928