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3028072 = 23378509
BaseRepresentation
bin1011100011010001101000
312200211201211
423203101220
51233344242
6144522504
734511125
oct13432150
95624654
103028072
111789043
121020434
13820378
1458b74c
153ec317
hex2e3468

3028072 has 8 divisors (see below), whose sum is σ = 5677650. Its totient is φ = 1514032.

The previous prime is 3028063. The next prime is 3028073. The reversal of 3028072 is 2708203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 21316 = 1734^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3028073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189247 + ... + 189262.

Almost surely, 23028072 is an apocalyptic number.

It is an amenable number.

3028072 is a deficient number, since it is larger than the sum of its proper divisors (2649578).

3028072 is a wasteful number, since it uses less digits than its factorization.

3028072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378515 (or 378511 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 3028072 is about 1740.1356268981. The cubic root of 3028072 is about 144.6734148022.

The spelling of 3028072 in words is "three million, twenty-eight thousand, seventy-two".

Divisors: 1 2 4 8 378509 757018 1514036 3028072