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23144424 = 233964351
BaseRepresentation
bin101100001001…
…0011111101000
31121112212011220
41120102133220
521411110144
62144022040
7400503312
oct130223750
947485156
1023144424
1112078826
127901920
134a44734
1431067b2
152072919
hex16127e8

23144424 has 16 divisors (see below), whose sum is σ = 57861120. Its totient is φ = 7714800.

The previous prime is 23144419. The next prime is 23144441. The reversal of 23144424 is 42444132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 964351 = 23144424 / (2 + 3 + 1 + 4 + 4 + 4 + 2 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 23144394 and 23144403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482152 + ... + 482199.

It is an arithmetic number, because the mean of its divisors is an integer number (3616320).

Almost surely, 223144424 is an apocalyptic number.

23144424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23144424 is an abundant number, since it is smaller than the sum of its proper divisors (34716696).

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

23144424 is a wasteful number, since it uses less digits than its factorization.

23144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964360 (or 964356 counting only the distinct ones).

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

The square root of 23144424 is about 4810.8652028507. The cubic root of 23144424 is about 284.9807066041.

Adding to 23144424 its reverse (42444132), we get a palindrome (65588556).

The spelling of 23144424 in words is "twenty-three million, one hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 964351 1928702 2893053 3857404 5786106 7714808 11572212 23144424