Search a number
-
+
2236642 = 21971829
BaseRepresentation
bin1000100010000011100010
311012122002121
420202003202
51033033032
6115534454
725003552
oct10420342
94178077
102236642
111298471
128ba42a
13604075
14423162
152e2a97
hex2220e2

2236642 has 16 divisors (see below), whose sum is σ = 3585600. Its totient is φ = 1043280.

The previous prime is 2236627. The next prime is 2236651. The reversal of 2236642 is 2466322.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (224100).

22236642 is an apocalyptic number.

2236642 is a deficient number, since it is larger than the sum of its proper divisors (1348958).

2236642 is a wasteful number, since it uses less digits than its factorization.

2236642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 3456, while the sum is 25.

The square root of 2236642 is about 1495.5407048957. The cubic root of 2236642 is about 130.7772373236. Note that the first 3 decimals are identical.

The spelling of 2236642 in words is "two million, two hundred thirty-six thousand, six hundred forty-two".

Divisors: 1 2 19 38 71 142 829 1349 1658 2698 15751 31502 58859 117718 1118321 2236642