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23905068 = 22311971867
BaseRepresentation
bin101101100110…
…0001100101100
31122222111120220
41123030030230
522104430233
62212211340
7410122035
oct133141454
948874526
1023905068
1112548260
128009b50
134c4ca15
143263a8c
152172eb3
hex16cc32c

23905068 has 48 divisors (see below), whose sum is σ = 61509504. Its totient is φ = 7165440.

The previous prime is 23905051. The next prime is 23905103. The reversal of 23905068 is 86050932.

It is a happy number.

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

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, 11871 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (1281448).

Almost surely, 223905068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23905068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30754752).

23905068 is an abundant number, since it is smaller than the sum of its proper divisors (37604436).

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

23905068 is a wasteful number, since it uses less digits than its factorization.

23905068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 23905068 is about 4889.2809287256. The cubic root of 23905068 is about 288.0690902914.

The spelling of 23905068 in words is "twenty-three million, nine hundred five thousand, sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 132 194 291 388 582 1067 1164 1867 2134 3201 3734 4268 5601 6402 7468 11202 12804 20537 22404 41074 61611 82148 123222 181099 246444 362198 543297 724396 1086594 1992089 2173188 3984178 5976267 7968356 11952534 23905068