Search a number
-
+
108681030 = 23258314549
BaseRepresentation
bin1100111101001…
…01011101000110
321120111120100100
412132211131012
5210310243110
614441224530
72456526213
oct636453506
9246446310
10108681030
1156390737
1230492146
1319692c03
1410610b0a
15981bbc0
hex67a5746

108681030 has 48 divisors (see below), whose sum is σ = 285994800. Its totient is φ = 28630464.

The previous prime is 108681029. The next prime is 108681059. The reversal of 108681030 is 30186801.

It is a junction number, because it is equal to n+sod(n) for n = 108680985 and 108681003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196 + ... + 14744.

It is an arithmetic number, because the mean of its divisors is an integer number (5958225).

Almost surely, 2108681030 is an apocalyptic number.

108681030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108681030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142997400).

108681030 is an abundant number, since it is smaller than the sum of its proper divisors (177313770).

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

108681030 is a wasteful number, since it uses less digits than its factorization.

108681030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645 (or 14642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108681030 is about 10425.0194244423. The cubic root of 108681030 is about 477.2192075547.

The spelling of 108681030 in words is "one hundred eight million, six hundred eighty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 83 90 166 249 415 498 747 830 1245 1494 2490 3735 7470 14549 29098 43647 72745 87294 130941 145490 218235 261882 436470 654705 1207567 1309410 2415134 3622701 6037835 7245402 10868103 12075670 18113505 21736206 36227010 54340515 108681030