Search a number
-
+
108881180 = 2255444059
BaseRepresentation
bin1100111110101…
…10010100011100
321120212201220022
412133112110130
5210333144210
614445411312
72461321562
oct637262434
9246781808
10108881180
1156508051
1230569b38
1319733045
1410663a32
15985b155
hex67d651c

108881180 has 12 divisors (see below), whose sum is σ = 228650520. Its totient is φ = 43552464.

The previous prime is 108881177. The next prime is 108881189. The reversal of 108881180 is 81188801.

It is a super-2 number, since 2×1088811802 = 23710222716384800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108881180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108881189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722010 + ... + 2722049.

It is an arithmetic number, because the mean of its divisors is an integer number (19054210).

Almost surely, 2108881180 is an apocalyptic number.

108881180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108881180 is an abundant number, since it is smaller than the sum of its proper divisors (119769340).

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

108881180 is a wasteful number, since it uses less digits than its factorization.

108881180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444068 (or 5444066 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 35.

The square root of 108881180 is about 10434.6145113272. The cubic root of 108881180 is about 477.5119812788.

The spelling of 108881180 in words is "one hundred eight million, eight hundred eighty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 5444059 10888118 21776236 27220295 54440590 108881180