Search a number
-
+
2663469 = 33234289
BaseRepresentation
bin1010001010010000101101
312000022121000
422022100231
51140212334
6133030513
731432134
oct12122055
95008530
102663469
11155a116
12a85439
13723423
144d491b
15379299
hex28a42d

2663469 has 16 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 1698048.

The previous prime is 2663467. The next prime is 2663491. The reversal of 2663469 is 9643662.

It is not a de Polignac number, because 2663469 - 21 = 2663467 is a prime.

It is a super-2 number, since 2×26634692 = 14188134227922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

22663469 is an apocalyptic number.

It is an amenable number.

2663469 is a deficient number, since it is larger than the sum of its proper divisors (1454931).

2663469 is a wasteful number, since it uses less digits than its factorization.

2663469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4315 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2663469 is about 1632.0137867065. The cubic root of 2663469 is about 138.6168042443.

The spelling of 2663469 in words is "two million, six hundred sixty-three thousand, four hundred sixty-nine".

Divisors: 1 3 9 23 27 69 207 621 4289 12867 38601 98647 115803 295941 887823 2663469