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3134728 = 231392819
BaseRepresentation
bin1011111101010100001000
312220021001001
423331110020
51300302403
6151104344
735434102
oct13752410
95807031
103134728
111851193
1210720b4
13859a8c
145b8572
1541dc1d
hex2fd508

3134728 has 16 divisors (see below), whose sum is σ = 5922000. Its totient is φ = 1555536.

The previous prime is 3134723. The next prime is 3134771. The reversal of 3134728 is 8274313.

3134728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3134696 and 3134705.

It is not an unprimeable number, because it can be changed into a prime (3134723) by changing a digit.

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, 298 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (370125).

Almost surely, 23134728 is an apocalyptic number.

It is an amenable number.

3134728 is a deficient number, since it is larger than the sum of its proper divisors (2787272).

3134728 is a wasteful number, since it uses less digits than its factorization.

3134728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2960 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 3134728 is about 1770.5163088772. The cubic root of 3134728 is about 146.3524356019.

It can be divided in two parts, 31347 and 28, that added together give a triangular number (31375 = T250).

The spelling of 3134728 in words is "three million, one hundred thirty-four thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 139 278 556 1112 2819 5638 11276 22552 391841 783682 1567364 3134728