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2660193 = 32734049
BaseRepresentation
bin1010001001011101100001
312000011002200
422021131201
51140111233
6133003413
731416444
oct12113541
95004080
102660193
111557708
12a83569
13721aa3
144d365b
15378313
hex289761

2660193 has 12 divisors (see below), whose sum is σ = 3896100. Its totient is φ = 1748736.

The previous prime is 2660183. The next prime is 2660219. The reversal of 2660193 is 3910662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 1595169 = 1032^2 + 1263^2 .

It is not a de Polignac number, because 2660193 - 221 = 563041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2660173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (324675).

22660193 is an apocalyptic number.

It is an amenable number.

2660193 is a deficient number, since it is larger than the sum of its proper divisors (1235907).

2660193 is a wasteful number, since it uses less digits than its factorization.

2660193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2660193 is about 1631.0098099031. The cubic root of 2660193 is about 138.5599491981.

The spelling of 2660193 in words is "two million, six hundred sixty thousand, one hundred ninety-three".

Divisors: 1 3 9 73 219 657 4049 12147 36441 295577 886731 2660193