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23300055 = 355127151
BaseRepresentation
bin101100011100…
…0011111010111
31121211202200000
41120320133113
521431100210
62151222343
7402022122
oct130703727
947752600
1023300055
1112174749
1279779b3
134a9a51c
1431473b9
1520a3ac0
hex16387d7

23300055 has 48 divisors (see below), whose sum is σ = 42491904. Its totient is φ = 12247200.

The previous prime is 23300041. The next prime is 23300059. The reversal of 23300055 is 55000332.

It is not a de Polignac number, because 23300055 - 28 = 23299799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154230 + ... + 154380.

It is an arithmetic number, because the mean of its divisors is an integer number (885248).

Almost surely, 223300055 is an apocalyptic number.

23300055 is a deficient number, since it is larger than the sum of its proper divisors (19191849).

23300055 is a wasteful number, since it uses less digits than its factorization.

23300055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 23300055 is about 4827.0130515672. The cubic root of 23300055 is about 285.6180493148.

Adding to 23300055 its reverse (55000332), we get a palindrome (78300387).

The spelling of 23300055 in words is "twenty-three million, three hundred thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 81 127 135 151 243 381 405 453 635 755 1143 1215 1359 1905 2265 3429 4077 5715 6795 10287 12231 17145 19177 20385 30861 36693 51435 57531 61155 95885 154305 172593 183465 287655 517779 862965 1553337 2588895 4660011 7766685 23300055