Search a number
-
+
2806065 = 325127491
BaseRepresentation
bin1010101101000100110001
312021120012100
422231010301
51204243230
6140051013
732564643
oct12550461
95246170
102806065
111647269
12b33a69
137732c2
14530893
153a6660
hex2ad131

2806065 has 24 divisors (see below), whose sum is σ = 4912128. Its totient is φ = 1481760.

The previous prime is 2806049. The next prime is 2806073. The reversal of 2806065 is 5606082.

It is not a de Polignac number, because 2806065 - 24 = 2806049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5470 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (204672).

22806065 is an apocalyptic number.

It is an amenable number.

2806065 is a deficient number, since it is larger than the sum of its proper divisors (2106063).

2806065 is a wasteful number, since it uses less digits than its factorization.

2806065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2806065 is about 1675.1313381344. The cubic root of 2806065 is about 141.0476676014.

The spelling of 2806065 in words is "two million, eight hundred six thousand, sixty-five".

Divisors: 1 3 5 9 15 45 127 381 491 635 1143 1473 1905 2455 4419 5715 7365 22095 62357 187071 311785 561213 935355 2806065