Search a number
-
+
2243574 = 232124643
BaseRepresentation
bin1000100011101111110110
311012222121100
420203233312
51033243244
6120030530
725033014
oct10435766
94188540
102243574
1112a26a3
12902446
13607278
144258b4
152e4b69
hex223bf6

2243574 has 12 divisors (see below), whose sum is σ = 4861116. Its totient is φ = 747852.

The previous prime is 2243551. The next prime is 2243587. The reversal of 2243574 is 4753422.

It is a super-3 number, since 3×22435743 = 33879925771833369672, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62304 + ... + 62339.

It is an arithmetic number, because the mean of its divisors is an integer number (405093).

22243574 is an apocalyptic number.

2243574 is an abundant number, since it is smaller than the sum of its proper divisors (2617542).

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

2243574 is a wasteful number, since it uses less digits than its factorization.

2243574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124651 (or 124648 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2243574 is about 1497.8564684241. The cubic root of 2243574 is about 130.9122034719.

Adding to 2243574 its reverse (4753422), we get a palindrome (6996996).

The spelling of 2243574 in words is "two million, two hundred forty-three thousand, five hundred seventy-four".

Divisors: 1 2 3 6 9 18 124643 249286 373929 747858 1121787 2243574