Search a number
-
+
2664080 = 24533301
BaseRepresentation
bin1010001010011010010000
312000100102122
422022122100
51140222310
6133033412
731433666
oct12123220
95010378
102664080
11155a621
12a85868
137237a3
144d4c36
15379555
hex28a690

2664080 has 20 divisors (see below), whose sum is σ = 6194172. Its totient is φ = 1065600.

The previous prime is 2664073. The next prime is 2664083. The reversal of 2664080 is 804662.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 1290496 = 1172^2 + 1136^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2664083) 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, 16571 + ... + 16730.

22664080 is an apocalyptic number.

2664080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664080 is an abundant number, since it is smaller than the sum of its proper divisors (3530092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2664080 is a wasteful number, since it uses less digits than its factorization.

2664080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33314 (or 33308 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2664080 is about 1632.2009680183. The cubic root of 2664080 is about 138.6274030025.

The spelling of 2664080 in words is "two million, six hundred sixty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 33301 66602 133204 166505 266408 333010 532816 666020 1332040 2664080