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104102140 = 225192343277
BaseRepresentation
bin1100011010001…
…11100011111100
321020212221021211
412031013203330
5203122232030
614155134204
72402565532
oct615074374
9236787254
10104102140
115384352a
122aa44364
131874b9cc
14db7c152
15921512a
hex63478fc

104102140 has 96 divisors (see below), whose sum is σ = 246597120. Its totient is φ = 36723456.

The previous prime is 104102113. The next prime is 104102153. The reversal of 104102140 is 41201401.

It is a self number, because there is not a number n which added to its sum of digits gives 104102140.

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, 375682 + ... + 375958.

It is an arithmetic number, because the mean of its divisors is an integer number (2568720).

Almost surely, 2104102140 is an apocalyptic number.

104102140 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 104102140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123298560).

104102140 is an abundant number, since it is smaller than the sum of its proper divisors (142494980).

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

104102140 is a wasteful number, since it uses less digits than its factorization.

104102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104102140 is about 10203.0456237341. The cubic root of 104102140 is about 470.4208393035.

Adding to 104102140 its reverse (41201401), we get a palindrome (145303541).

The spelling of 104102140 in words is "one hundred four million, one hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 43 46 76 86 92 95 115 172 190 215 230 277 380 430 437 460 554 817 860 874 989 1108 1385 1634 1748 1978 2185 2770 3268 3956 4085 4370 4945 5263 5540 6371 8170 8740 9890 10526 11911 12742 16340 18791 19780 21052 23822 25484 26315 31855 37582 47644 52630 59555 63710 75164 93955 105260 119110 121049 127420 187910 226309 238220 242098 273953 375820 452618 484196 547906 605245 905236 1095812 1131545 1210490 1369765 2263090 2420980 2739530 4526180 5205107 5479060 10410214 20820428 26025535 52051070 104102140