Search a number
-
+
2655601 = 13375521
BaseRepresentation
bin1010001000010101110001
311222220210121
422020111301
51134434401
6132530241
731400164
oct12102561
94886717
102655601
111554213
12a80981
1371c980
144d1adb
15376ca1
hex288571

2655601 has 8 divisors (see below), whose sum is σ = 2937704. Its totient is φ = 2384640.

The previous prime is 2655577. The next prime is 2655607. The reversal of 2655601 is 1065562.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 2405601 = 500^2 + 1551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2655601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (367213).

22655601 is an apocalyptic number.

It is an amenable number.

2655601 is a deficient number, since it is larger than the sum of its proper divisors (282103).

2655601 is a wasteful number, since it uses less digits than its factorization.

2655601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2655601 is about 1629.6014850263. The cubic root of 2655601 is about 138.4801763214.

The spelling of 2655601 in words is "two million, six hundred fifty-five thousand, six hundred one".

Divisors: 1 13 37 481 5521 71773 204277 2655601