Search a number
-
+
108969168 = 24371129483
BaseRepresentation
bin1100111111010…
…11110011010000
321121001012121010
412133223303100
5210344003133
614451330520
72462136240
oct637536320
9247035533
10108969168
1156568170
12305b0a40
13197640c9
1410687b20
159877263
hex67ebcd0

108969168 has 80 divisors (see below), whose sum is σ = 350977536. Its totient is φ = 28302720.

The previous prime is 108969163. The next prime is 108969169. The reversal of 108969168 is 861969801.

It is a super-2 number, since 2×1089691682 = 23748559149224448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108969163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11046 + ... + 18437.

Almost surely, 2108969168 is an apocalyptic number.

It is an amenable number.

108969168 is an abundant number, since it is smaller than the sum of its proper divisors (242008368).

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

108969168 is a wasteful number, since it uses less digits than its factorization.

108969168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29512 (or 29506 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 108969168 is about 10438.8298194769. The cubic root of 108969168 is about 477.6405740917.

The spelling of 108969168 in words is "one hundred eight million, nine hundred sixty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 3696 29483 58966 88449 117932 176898 206381 235864 324313 353796 412762 471728 619143 648626 707592 825524 972939 1238286 1297252 1415184 1651048 1945878 2270191 2476572 2594504 3302096 3891756 4540382 4953144 5189008 6810573 7783512 9080764 9906288 13621146 15567024 18161528 27242292 36323056 54484584 108969168