Search a number
-
+
23144244 = 2231928687
BaseRepresentation
bin101100001001…
…0011100110100
31121112211221020
41120102130310
521411103434
62144021140
7400502634
oct130223464
947484836
1023144244
1112078682
1279017b0
134a44626
1431066c4
152072849
hex1612734

23144244 has 12 divisors (see below), whose sum is σ = 54003264. Its totient is φ = 7714744.

The previous prime is 23144243. The next prime is 23144273. The reversal of 23144244 is 44244132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964332 + ... + 964355.

It is an arithmetic number, because the mean of its divisors is an integer number (4500272).

Almost surely, 223144244 is an apocalyptic number.

It is an amenable number.

23144244 is an abundant number, since it is smaller than the sum of its proper divisors (30859020).

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

23144244 is a wasteful number, since it uses less digits than its factorization.

23144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928694 (or 1928692 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 23144244 is about 4810.8464951607. The cubic root of 23144244 is about 284.9799678133.

Adding to 23144244 its reverse (44244132), we get a palindrome (67388376).

The spelling of 23144244 in words is "twenty-three million, one hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1928687 3857374 5786061 7714748 11572122 23144244