Search a number
-
+
2689268 = 22672317
BaseRepresentation
bin1010010000100011110100
312001121222112
422100203310
51142024033
6133350152
731600301
oct12204364
95047875
102689268
11157753a
12a98358
137320aa
145000a8
15381c48
hex2908f4

2689268 has 6 divisors (see below), whose sum is σ = 4706226. Its totient is φ = 1344632.

The previous prime is 2689261. The next prime is 2689277. The reversal of 2689268 is 8629862.

2689268 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 1106704 = 1258^2 + 1052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336155 + ... + 336162.

It is an arithmetic number, because the mean of its divisors is an integer number (784371).

22689268 is an apocalyptic number.

It is an amenable number.

2689268 is a deficient number, since it is larger than the sum of its proper divisors (2016958).

2689268 is a wasteful number, since it uses less digits than its factorization.

2689268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672321 (or 672319 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 2689268 is about 1639.8987773640. The cubic root of 2689268 is about 139.0629254627.

The spelling of 2689268 in words is "two million, six hundred eighty-nine thousand, two hundred sixty-eight".

Divisors: 1 2 4 672317 1344634 2689268