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23385516 = 22371125309
BaseRepresentation
bin101100100110…
…1010110101100
31122000002220020
41121031112230
521441314031
62153122140
7402526230
oct131152654
948002806
1023385516
1112222980
1279b9350
134aca3ab
14316a5c0
1520be096
hex164d5ac

23385516 has 48 divisors (see below), whose sum is σ = 68033280. Its totient is φ = 6073920.

The previous prime is 23385497. The next prime is 23385533. The reversal of 23385516 is 61558332.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11731 + ... + 13578.

It is an arithmetic number, because the mean of its divisors is an integer number (1417360).

Almost surely, 223385516 is an apocalyptic number.

It is an amenable number.

23385516 is an abundant number, since it is smaller than the sum of its proper divisors (44647764).

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

23385516 is a wasteful number, since it uses less digits than its factorization.

23385516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334 (or 25332 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 23385516 is about 4835.8573179944. The cubic root of 23385516 is about 285.9668241955.

The spelling of 23385516 in words is "twenty-three million, three hundred eighty-five thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 25309 50618 75927 101236 151854 177163 278399 303708 354326 531489 556798 708652 835197 1062978 1113596 1670394 1948793 2125956 3340788 3897586 5846379 7795172 11692758 23385516