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108289660 = 22517734363
BaseRepresentation
bin1100111010001…
…01111001111100
321112202200111011
412131011321330
5210210232120
614425005004
72453306203
oct635057174
9245680434
10108289660
1156143696
1230323764
1319586a2b
141054c23a
159790c5a
hex6745e7c

108289660 has 48 divisors (see below), whose sum is σ = 244139616. Its totient is φ = 40200192.

The previous prime is 108289637. The next prime is 108289661. The reversal of 108289660 is 66982801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108289661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22639 + ... + 27001.

It is an arithmetic number, because the mean of its divisors is an integer number (5086242).

Almost surely, 2108289660 is an apocalyptic number.

108289660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108289660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122069808).

108289660 is an abundant number, since it is smaller than the sum of its proper divisors (135849956).

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

108289660 is a wasteful number, since it uses less digits than its factorization.

108289660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 108289660 is about 10406.2317867708. The cubic root of 108289660 is about 476.6456823751.

The spelling of 108289660 in words is "one hundred eight million, two hundred eighty-nine thousand, six hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 73 85 146 170 292 340 365 730 1241 1460 2482 4363 4964 6205 8726 12410 17452 21815 24820 43630 74171 87260 148342 296684 318499 370855 636998 741710 1273996 1483420 1592495 3184990 5414483 6369980 10828966 21657932 27072415 54144830 108289660