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109501980 = 22357416359
BaseRepresentation
bin1101000011011…
…01111000011100
321122001021110220
412201231320130
5211013030410
614511001340
72466515520
oct641557034
9248037426
10109501980
11568a1505
1230809250
13198bc793
1410785d80
159930070
hex686de1c

109501980 has 96 divisors (see below), whose sum is σ = 359009280. Its totient is φ = 24414720.

The previous prime is 109501969. The next prime is 109501993. The reversal of 109501980 is 89105901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14041 + ... + 20399.

It is an arithmetic number, because the mean of its divisors is an integer number (3739680).

Almost surely, 2109501980 is an apocalyptic number.

109501980 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 109501980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179504640).

109501980 is an abundant number, since it is smaller than the sum of its proper divisors (249507300).

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

109501980 is a wasteful number, since it uses less digits than its factorization.

109501980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6417 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 109501980 is about 10464.3193758600. The cubic root of 109501980 is about 478.4177938352.

The spelling of 109501980 in words is "one hundred nine million, five hundred one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 41 42 60 70 82 84 105 123 140 164 205 210 246 287 410 420 492 574 615 820 861 1148 1230 1435 1722 2460 2870 3444 4305 5740 6359 8610 12718 17220 19077 25436 31795 38154 44513 63590 76308 89026 95385 127180 133539 178052 190770 222565 260719 267078 381540 445130 521438 534156 667695 782157 890260 1042876 1303595 1335390 1564314 1825033 2607190 2670780 3128628 3650066 3910785 5214380 5475099 7300132 7821570 9125165 10950198 15643140 18250330 21900396 27375495 36500660 54750990 109501980