Search a number
-
+
109113660 = 223252920903
BaseRepresentation
bin1101000000011…
…11000100111100
321121022112210200
412200033010330
5210413114120
614454403500
72463310425
oct640170474
9247275720
10109113660
1156656787
1230660590
13197b4ac6
14106c464c
1598a4e90
hex680f13c

109113660 has 72 divisors (see below), whose sum is σ = 342407520. Its totient is φ = 28092288.

The previous prime is 109113659. The next prime is 109113671. The reversal of 109113660 is 66311901.

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, 5232 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (4755660).

Almost surely, 2109113660 is an apocalyptic number.

109113660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109113660 is an abundant number, since it is smaller than the sum of its proper divisors (233293860).

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

109113660 is a wasteful number, since it uses less digits than its factorization.

109113660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947 (or 20942 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 109113660 is about 10445.7484174184. The cubic root of 109113660 is about 477.8515963501.

The spelling of 109113660 in words is "one hundred nine million, one hundred thirteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1044 1305 1740 2610 5220 20903 41806 62709 83612 104515 125418 188127 209030 250836 313545 376254 418060 606187 627090 752508 940635 1212374 1254180 1818561 1881270 2424748 3030935 3637122 3762540 5455683 6061870 7274244 9092805 10911366 12123740 18185610 21822732 27278415 36371220 54556830 109113660