Search a number
-
+
2740212 = 2232103739
BaseRepresentation
bin1010011100111111110100
312011012212100
422130333310
51200141322
6134422100
732201646
oct12347764
95135770
102740212
111601842
12b01930
1374c337
14514896
15391dac
hex29cff4

2740212 has 36 divisors (see below), whose sum is σ = 7003360. Its totient is φ = 903312.

The previous prime is 2740211. The next prime is 2740217. The reversal of 2740212 is 2120472.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740211) 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, 3339 + ... + 4077.

22740212 is an apocalyptic number.

It is an amenable number.

2740212 is an abundant number, since it is smaller than the sum of its proper divisors (4263148).

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

2740212 is a wasteful number, since it uses less digits than its factorization.

2740212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2740212 is about 1655.3585714280. The cubic root of 2740212 is about 139.9355485645.

Adding to 2740212 its reverse (2120472), we get a palindrome (4860684).

The spelling of 2740212 in words is "two million, seven hundred forty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 739 927 1236 1478 1854 2217 2956 3708 4434 6651 8868 13302 26604 76117 152234 228351 304468 456702 685053 913404 1370106 2740212