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2928872 = 232691361
BaseRepresentation
bin1011001011000011101000
312111210122202
423023003220
51222210442
6142435332
733615662
oct13130350
95453582
102928872
111720561
12b92b48
137b717b
14563532
153ccc32
hex2cb0e8

2928872 has 16 divisors (see below), whose sum is σ = 5516100. Its totient is φ = 1457920.

The previous prime is 2928851. The next prime is 2928881. The reversal of 2928872 is 2788292.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 538756 = 1546^2 + 734^2 .

It is a d-powerful number, because it can be written as 24 + 94 + 210 + 82 + 83 + 77 + 221 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472 + ... + 2832.

22928872 is an apocalyptic number.

It is an amenable number.

2928872 is a deficient number, since it is larger than the sum of its proper divisors (2587228).

2928872 is a wasteful number, since it uses less digits than its factorization.

2928872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1632 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 2928872 is about 1711.3947528259. The cubic root of 2928872 is about 143.0760024369.

The spelling of 2928872 in words is "two million, nine hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 269 538 1076 1361 2152 2722 5444 10888 366109 732218 1464436 2928872