Search a number
-
+
2890628 = 221355589
BaseRepresentation
bin1011000001101110000100
312102212012022
423001232010
51220000003
6141542312
733366326
oct13015604
95385168
102890628
1116a4854
12b74998
137a2940
14553616
153c1738
hex2c1b84

2890628 has 12 divisors (see below), whose sum is σ = 5447820. Its totient is φ = 1334112.

The previous prime is 2890627. The next prime is 2890637. The reversal of 2890628 is 8260982.

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 2715904 = 418^2 + 1648^2 .

It is not an unprimeable number, because it can be changed into a prime (2890627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27743 + ... + 27846.

It is an arithmetic number, because the mean of its divisors is an integer number (453985).

22890628 is an apocalyptic number.

It is an amenable number.

2890628 is a deficient number, since it is larger than the sum of its proper divisors (2557192).

2890628 is a wasteful number, since it uses less digits than its factorization.

2890628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55606 (or 55604 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2890628 is about 1700.1846958492. The cubic root of 2890628 is about 142.4505296628.

The spelling of 2890628 in words is "two million, eight hundred ninety thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 26 52 55589 111178 222356 722657 1445314 2890628