Search a number
-
+
23828055 = 358319139
BaseRepresentation
bin101101011100…
…1011001010111
31122211120221120
41122321121113
522044444210
62210415023
7406351356
oct132713127
948746846
1023828055
11124a5409
127b91473
134c23954
14324399d
15215a270
hex16b9657

23828055 has 16 divisors (see below), whose sum is σ = 38586240. Its totient is φ = 12554528.

The previous prime is 23828041. The next prime is 23828083. The reversal of 23828055 is 55082832.

It is a cyclic number.

It is not a de Polignac number, because 23828055 - 27 = 23827927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8325 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 223828055 is an apocalyptic number.

23828055 is a deficient number, since it is larger than the sum of its proper divisors (14758185).

23828055 is a wasteful number, since it uses less digits than its factorization.

23828055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19230.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 23828055 is about 4881.3988773711. The cubic root of 23828055 is about 287.7594079608.

The spelling of 23828055 in words is "twenty-three million, eight hundred twenty-eight thousand, fifty-five".

Divisors: 1 3 5 15 83 249 415 1245 19139 57417 95695 287085 1588537 4765611 7942685 23828055