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106597980 = 223251971439
BaseRepresentation
bin1100101101010…
…00111001011100
321102120201221100
412112220321130
5204242113410
614324433100
72433032166
oct626507134
9242521840
10106597980
1155198705
122b848790
1319113a38
141022b936
1595598c0
hex65a8e5c

106597980 has 144 divisors (see below), whose sum is σ = 345945600. Its totient is φ = 26490240.

The previous prime is 106597963. The next prime is 106597987. The reversal of 106597980 is 89795601.

It is a super-2 number, since 2×1065979802 = 22726258680160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106597987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242601 + ... + 243039.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2106597980 is an apocalyptic number.

106597980 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 106597980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172972800).

106597980 is an abundant number, since it is smaller than the sum of its proper divisors (239347620).

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

106597980 is a wasteful number, since it uses less digits than its factorization.

106597980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 106597980 is about 10324.6297754447. The cubic root of 106597980 is about 474.1506224304.

The spelling of 106597980 in words is "one hundred six million, five hundred ninety-seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 71 76 90 95 114 142 171 180 190 213 228 284 285 342 355 380 426 439 570 639 684 710 852 855 878 1065 1140 1278 1317 1349 1420 1710 1756 2130 2195 2556 2634 2698 3195 3420 3951 4047 4260 4390 5268 5396 6390 6585 6745 7902 8094 8341 8780 12141 12780 13170 13490 15804 16188 16682 19755 20235 24282 25023 26340 26980 31169 33364 39510 40470 41705 48564 50046 60705 62338 75069 79020 80940 83410 93507 100092 121410 124676 125115 150138 155845 166820 187014 242820 250230 280521 300276 311690 374028 375345 467535 500460 561042 592211 623380 750690 935070 1122084 1184422 1402605 1501380 1776633 1870140 2368844 2805210 2961055 3553266 5329899 5610420 5922110 7106532 8883165 10659798 11844220 17766330 21319596 26649495 35532660 53298990 106597980