Search a number
-
+
109683730 = 25131734877
BaseRepresentation
bin1101000100110…
…10010000010010
321122101111210101
412202122100102
5211034334410
614514523014
72501203432
oct642322022
9248344711
10109683730
1156a06012
123089646a
1319954420
14107d22c2
159968d3a
hex689a412

109683730 has 32 divisors (see below), whose sum is σ = 213890544. Its totient is φ = 40256256.

The previous prime is 109683719. The next prime is 109683781. The reversal of 109683730 is 37386901.

It is a Cunningham number, because it is equal to 104732+1.

It can be written as a sum of positive squares in 8 ways, for example, as 39476089 + 70207641 = 6283^2 + 8379^2 .

It is a super-3 number, since 3×1096837303 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109683730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20052 + ... + 24928.

Almost surely, 2109683730 is an apocalyptic number.

109683730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109683730 is a deficient number, since it is larger than the sum of its proper divisors (104206814).

109683730 is a wasteful number, since it uses less digits than its factorization.

109683730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 109683730 is about 10473.0000477418. Note that the first 4 decimals coincide. The cubic root of 109683730 is about 478.6823381257.

The spelling of 109683730 in words is "one hundred nine million, six hundred eighty-three thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 173 346 865 1730 2249 4498 4877 9754 11245 22490 24385 48770 63401 126802 317005 634010 843721 1687442 4218605 8437210 10968373 21936746 54841865 109683730