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23033812 = 2211515003
BaseRepresentation
bin101011111011…
…1011111010100
31121100020110011
41113313133110
521344040222
62141410004
7366532654
oct127673724
947306404
1023033812
111200270a
127869904
134a06299
1430b8364
15204ec77
hex15f77d4

23033812 has 12 divisors (see below), whose sum is σ = 40352256. Its totient is φ = 11504600.

The previous prime is 23033797. The next prime is 23033819. The reversal of 23033812 is 21833032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (3362688).

Almost surely, 223033812 is an apocalyptic number.

It is an amenable number.

23033812 is a deficient number, since it is larger than the sum of its proper divisors (17318444).

23033812 is a wasteful number, since it uses less digits than its factorization.

23033812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 6156 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23033812 is about 4799.3553733809. The cubic root of 23033812 is about 284.5259874767.

Adding to 23033812 its reverse (21833032), we get a palindrome (44866844).

The spelling of 23033812 in words is "twenty-three million, thirty-three thousand, eight hundred twelve".

Divisors: 1 2 4 1151 2302 4604 5003 10006 20012 5758453 11516906 23033812