Search a number
-
+
2647340 = 225132367
BaseRepresentation
bin1010000110010100101100
311222111110122
422012110230
51134203330
6132424112
731334123
oct12062454
94874418
102647340
111548a93
12a78038
13718c97
144ccaba
153745e5
hex28652c

2647340 has 12 divisors (see below), whose sum is σ = 5559456. Its totient is φ = 1058928.

The previous prime is 2647331. The next prime is 2647343. The reversal of 2647340 is 437462.

It is a happy number.

It is a d-powerful number, because it can be written as 219 + 68 + 46 + 72 + 311 + 49 + 0 .

It is not an unprimeable number, because it can be changed into a prime (2647343) 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, 66164 + ... + 66203.

It is an arithmetic number, because the mean of its divisors is an integer number (463288).

22647340 is an apocalyptic number.

2647340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647340 is an abundant number, since it is smaller than the sum of its proper divisors (2912116).

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

2647340 is a wasteful number, since it uses less digits than its factorization.

2647340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132376 (or 132374 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2647340 is about 1627.0648419777. The cubic root of 2647340 is about 138.3364332139.

The spelling of 2647340 in words is "two million, six hundred forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 132367 264734 529468 661835 1323670 2647340