Search a number
-
+
108741281 = 1143229897
BaseRepresentation
bin1100111101101…
…00001010100001
321120121121222212
412132310022201
5210314210111
614442411505
72460166655
oct636641241
9246547885
10108741281
1156421a30
1230500b95
13196b446c
1410628a65
15982e98b
hex67b42a1

108741281 has 8 divisors (see below), whose sum is σ = 121386144. Its totient is φ = 96556320.

The previous prime is 108741277. The next prime is 108741287. The reversal of 108741281 is 182147801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108741281 - 22 = 108741277 is a prime.

It is a super-2 number, since 2×1087412812 = 23649332387041922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108741287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114476 + ... + 115421.

It is an arithmetic number, because the mean of its divisors is an integer number (15173268).

Almost surely, 2108741281 is an apocalyptic number.

108741281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108741281 is a deficient number, since it is larger than the sum of its proper divisors (12644863).

108741281 is a wasteful number, since it uses less digits than its factorization.

108741281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229951.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 108741281 is about 10427.9087548751. The cubic root of 108741281 is about 477.3073787922.

The spelling of 108741281 in words is "one hundred eight million, seven hundred forty-one thousand, two hundred eighty-one".

Divisors: 1 11 43 473 229897 2528867 9885571 108741281