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10318140 = 22325719431
BaseRepresentation
bin100111010111…
…000100111100
3201102012211100
4213113010330
510120140030
61005053100
7153463020
oct47270474
921365740
1010318140
115908198
123557190
1321a3611
141528380
15d8c360
hex9d713c

10318140 has 144 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 2229120.

The previous prime is 10318129. The next prime is 10318141. The reversal of 10318140 is 4181301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10318141) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 23725 + ... + 24155.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 210318140 is an apocalyptic number.

10318140 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 10318140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

10318140 is an abundant number, since it is smaller than the sum of its proper divisors (27421380).

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

10318140 is a wasteful number, since it uses less digits than its factorization.

10318140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10318140 is about 3212.1861714415. The cubic root of 10318140 is about 217.7043659806.

Adding to 10318140 its reverse (4181301), we get a palindrome (14499441).

The spelling of 10318140 in words is "ten million, three hundred eighteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 57 60 63 70 76 84 90 95 105 114 126 133 140 171 180 190 210 228 252 266 285 315 342 380 399 420 431 532 570 630 665 684 798 855 862 1140 1197 1260 1293 1330 1596 1710 1724 1995 2155 2394 2586 2660 3017 3420 3879 3990 4310 4788 5172 5985 6034 6465 7758 7980 8189 8620 9051 11970 12068 12930 15085 15516 16378 18102 19395 23940 24567 25860 27153 30170 32756 36204 38790 40945 45255 49134 54306 57323 60340 73701 77580 81890 90510 98268 108612 114646 122835 135765 147402 163780 171969 181020 229292 245670 271530 286615 294804 343938 368505 491340 515907 543060 573230 687876 737010 859845 1031814 1146460 1474020 1719690 2063628 2579535 3439380 5159070 10318140