Search a number
-
+
2740213 = 71723027
BaseRepresentation
bin1010011100111111110101
312011012212101
422130333311
51200141323
6134422101
732201650
oct12347765
95135771
102740213
111601843
12b01931
1374c338
14514897
15391dad
hex29cff5

2740213 has 8 divisors (see below), whose sum is σ = 3316032. Its totient is φ = 2210496.

The previous prime is 2740211. The next prime is 2740217. The reversal of 2740213 is 3120472.

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

It is a cyclic number.

It is not a de Polignac number, because 2740213 - 21 = 2740211 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 11395 + ... + 11632.

It is an arithmetic number, because the mean of its divisors is an integer number (414504).

22740213 is an apocalyptic number.

It is an amenable number.

2740213 is a deficient number, since it is larger than the sum of its proper divisors (575819).

2740213 is a wasteful number, since it uses less digits than its factorization.

2740213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2740213 is about 1655.3588734773. The cubic root of 2740213 is about 139.9355655870.

Adding to 2740213 its reverse (3120472), we get a palindrome (5860685).

The spelling of 2740213 in words is "two million, seven hundred forty thousand, two hundred thirteen".

Divisors: 1 7 17 119 23027 161189 391459 2740213