Search a number
-
+
108981156 = 22347199971
BaseRepresentation
bin1100111111011…
…10101110100100
321121001211001010
412133232232210
5210344344111
614451502220
72462216214
oct637565644
9247054033
10108981156
1156576179
12305b7970
13197696bb
141068c244
15987aaa6
hex67eeba4

108981156 has 48 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 35339040.

The previous prime is 108981137. The next prime is 108981161. The reversal of 108981156 is 651189801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111751 + ... + 112721.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2108981156 is an apocalyptic number.

It is an amenable number.

108981156 is an abundant number, since it is smaller than the sum of its proper divisors (152292444).

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

108981156 is a wasteful number, since it uses less digits than its factorization.

108981156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 108981156 is about 10439.4040059766. The cubic root of 108981156 is about 477.6580889703.

The spelling of 108981156 in words is "one hundred eight million, nine hundred eighty-one thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 47 94 141 188 199 282 398 564 597 796 971 1194 1942 2388 2913 3884 5826 9353 11652 18706 28059 37412 45637 56118 91274 112236 136911 182548 193229 273822 386458 547644 579687 772916 1159374 2318748 9081763 18163526 27245289 36327052 54490578 108981156