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104323140 = 2234571907
BaseRepresentation
bin1100011011111…
…01100001000100
321021022011110000
412031331201010
5203201320030
614204001300
72404506045
oct615754104
9237264400
10104323140
1153984579
122ab30230
13187c848c
14dbd88cc
15925a860
hex637d844

104323140 has 120 divisors (see below), whose sum is σ = 332240832. Its totient is φ = 27397440.

The previous prime is 104323103. The next prime is 104323159. The reversal of 104323140 is 41323401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114567 + ... + 115473.

Almost surely, 2104323140 is an apocalyptic number.

104323140 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 104323140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166120416).

104323140 is an abundant number, since it is smaller than the sum of its proper divisors (227917692).

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

104323140 is a wasteful number, since it uses less digits than its factorization.

104323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 104323140 is about 10213.8699815496. The cubic root of 104323140 is about 470.7534918436.

Adding to 104323140 its reverse (41323401), we get a palindrome (145646541).

The spelling of 104323140 in words is "one hundred four million, three hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 71 81 90 108 135 142 162 180 213 270 284 324 355 405 426 540 639 710 810 852 907 1065 1278 1420 1620 1814 1917 2130 2556 2721 3195 3628 3834 4260 4535 5442 5751 6390 7668 8163 9070 9585 10884 11502 12780 13605 16326 18140 19170 23004 24489 27210 28755 32652 38340 40815 48978 54420 57510 64397 73467 81630 97956 115020 122445 128794 146934 163260 193191 244890 257588 293868 321985 367335 386382 489780 579573 643970 734670 772764 965955 1159146 1287940 1469340 1738719 1931910 2318292 2897865 3477438 3863820 5216157 5795730 6954876 8693595 10432314 11591460 17387190 20864628 26080785 34774380 52161570 104323140