[go: up one dir, main page]

Search a number
-
+
2928265 = 5585653
BaseRepresentation
bin1011001010111010001001
312111202211021
423022322021
51222201030
6142432441
733614134
oct13127211
95452737
102928265
11172005a
12b92721
137b6b02
1456321b
153cc97a
hex2cae89

2928265 has 4 divisors (see below), whose sum is σ = 3513924. Its totient is φ = 2342608.

The previous prime is 2928259. The next prime is 2928271. The reversal of 2928265 is 5628292.

2928265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2928259) and next prime (2928271).

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 1610361 = 1148^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928265 - 27 = 2928137 is a prime.

It is an Ulam number.

It is a Duffinian number.

2928265 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2928265.

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, 292822 + ... + 292831.

It is an arithmetic number, because the mean of its divisors is an integer number (878481).

22928265 is an apocalyptic number.

It is an amenable number.

2928265 is a deficient number, since it is larger than the sum of its proper divisors (585659).

2928265 is an equidigital number, since it uses as much as digits as its factorization.

2928265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585658.

The product of its digits is 17280, while the sum is 34.

The square root of 2928265 is about 1711.2174029036. The cubic root of 2928265 is about 143.0661177289.

The spelling of 2928265 in words is "two million, nine hundred twenty-eight thousand, two hundred sixty-five".

Divisors: 1 5 585653 2928265