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23104213 = 1123294767
BaseRepresentation
bin101100000100…
…0101011010101
31121110211000121
41120020223111
521403313323
62143111541
7400245136
oct130105325
947424017
1023104213
11120505a0
1278a25b1
134a2c342
1430d5c8d
152065a5d
hex1608ad5

23104213 has 32 divisors (see below), whose sum is σ = 28200960. Its totient is φ = 18701760.

The previous prime is 23104187. The next prime is 23104217. The reversal of 23104213 is 31240132.

It is a happy number.

It is not a de Polignac number, because 23104213 - 217 = 22973141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23104217) 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 31 ways as a sum of consecutive naturals, for example, 344806 + ... + 344872.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 223104213 is an apocalyptic number.

23104213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23104213 is a deficient number, since it is larger than the sum of its proper divisors (5096747).

23104213 is a wasteful number, since it uses less digits than its factorization.

23104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23104213 is about 4806.6842001529. The cubic root of 23104213 is about 284.8155696063.

Adding to 23104213 its reverse (31240132), we get a palindrome (54344345).

The spelling of 23104213 in words is "twenty-three million, one hundred four thousand, two hundred thirteen".

Divisors: 1 11 23 29 47 67 253 319 517 667 737 1081 1363 1541 1943 3149 7337 11891 14993 16951 21373 31349 34639 44689 72427 91321 344839 491579 796697 1004531 2100383 23104213