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104987070 = 23351789257
BaseRepresentation
bin1100100000111…
…11100110111110
321022112220012000
412100133212332
5203334041240
614230123130
72413242516
oct620374676
9238486160
10104987070
1154298381
122b1b04a6
131899b736
14dd2c846
15933c430
hex641f9be

104987070 has 128 divisors (see below), whose sum is σ = 300931200. Its totient is φ = 25952256.

The previous prime is 104987063. The next prime is 104987081. The reversal of 104987070 is 70789401.

It is a super-2 number, since 2×1049870702 = 22044569734369800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408382 + ... + 408638.

It is an arithmetic number, because the mean of its divisors is an integer number (2351025).

Almost surely, 2104987070 is an apocalyptic number.

104987070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104987070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150465600).

104987070 is an abundant number, since it is smaller than the sum of its proper divisors (195944130).

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

104987070 is a wasteful number, since it uses less digits than its factorization.

104987070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 104987070 is about 10246.3198271379. The cubic root of 104987070 is about 471.7500322262.

The spelling of 104987070 in words is "one hundred four million, nine hundred eighty-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 89 90 102 135 153 170 178 255 257 267 270 306 445 459 510 514 534 765 771 801 890 918 1285 1335 1513 1530 1542 1602 2295 2313 2403 2570 2670 3026 3855 4005 4369 4539 4590 4626 4806 6939 7565 7710 8010 8738 9078 11565 12015 13107 13617 13878 15130 21845 22695 22873 23130 24030 26214 27234 34695 39321 40851 43690 45390 45746 65535 68085 68619 69390 78642 81702 114365 117963 131070 136170 137238 196605 204255 205857 228730 235926 343095 388841 393210 408510 411714 589815 617571 686190 777682 1029285 1166523 1179630 1235142 1944205 2058570 2333046 3087855 3499569 3888410 5832615 6175710 6999138 10498707 11665230 17497845 20997414 34995690 52493535 104987070