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10865140 = 225111329131
BaseRepresentation
bin101001011100…
…100111110100
3202110000011121
4221130213310
510240141030
61024513324
7161231536
oct51344764
922400147
1010865140
116151160
12377b844
1323355a0
14162b856
15e4947a
hexa5c9f4

10865140 has 96 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 3494400.

The previous prime is 10865083. The next prime is 10865143. The reversal of 10865140 is 4156801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10865143) 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 31 ways as a sum of consecutive naturals, for example, 82875 + ... + 83005.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 210865140 is an apocalyptic number.

10865140 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 10865140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13970880).

10865140 is an abundant number, since it is smaller than the sum of its proper divisors (17076620).

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

10865140 is a wasteful number, since it uses less digits than its factorization.

10865140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10865140 is about 3296.2311812129. The cubic root of 10865140 is about 221.4854027853.

It can be divided in two parts, 1086 and 5140, that added together give a palindrome (6226).

The spelling of 10865140 in words is "ten million, eight hundred sixty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 29 44 52 55 58 65 110 116 130 131 143 145 220 260 262 286 290 319 377 524 572 580 638 655 715 754 1276 1310 1430 1441 1508 1595 1703 1885 2620 2860 2882 3190 3406 3770 3799 4147 5764 6380 6812 7205 7540 7598 8294 8515 14410 15196 16588 17030 18733 18995 20735 28820 34060 37466 37990 41470 41789 49387 74932 75980 82940 83578 93665 98774 167156 187330 197548 208945 246935 374660 417890 493870 543257 835780 987740 1086514 2173028 2716285 5432570 10865140