Search a number
-
+
109730040 = 23357130631
BaseRepresentation
bin1101000101001…
…01100011111000
321122110212022120
412202211203320
5211042330130
614515521240
72501455440
oct642454370
9248425276
10109730040
1156a37892
12308b9220
131996c524
1410805120
159977910
hex68a58f8

109730040 has 64 divisors (see below), whose sum is σ = 376220160. Its totient is φ = 25080960.

The previous prime is 109730021. The next prime is 109730051. The reversal of 109730040 is 40037901.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 64476 + ... + 66155.

It is an arithmetic number, because the mean of its divisors is an integer number (5878440).

Almost surely, 2109730040 is an apocalyptic number.

109730040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109730040 is an abundant number, since it is smaller than the sum of its proper divisors (266490120).

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

109730040 is a wasteful number, since it uses less digits than its factorization.

109730040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130652 (or 130648 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 109730040 is about 10475.2107377370. The cubic root of 109730040 is about 478.7496974322.

Adding to 109730040 its reverse (40037901), we get a palindrome (149767941).

The spelling of 109730040 in words is "one hundred nine million, seven hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 130631 261262 391893 522524 653155 783786 914417 1045048 1306310 1567572 1828834 1959465 2612620 2743251 3135144 3657668 3918930 4572085 5225240 5486502 7315336 7837860 9144170 10973004 13716255 15675720 18288340 21946008 27432510 36576680 54865020 109730040