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2085930 = 2325721143
BaseRepresentation
bin111111101010000101010
310220222100200
413331100222
51013222210
6112413030
723505300
oct7752052
93828320
102085930
1111a5210
12847176
135805a2
143c4270
152b30c0
hex1fd42a

2085930 has 144 divisors (see below), whose sum is σ = 7042464. Its totient is φ = 423360.

The previous prime is 2085929. The next prime is 2085931. The reversal of 2085930 is 395802.

It is an interprime number because it is at equal distance from previous prime (2085929) and next prime (2085931).

It is a super-2 number, since 2×20859302 = 8702207929800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2085894 and 2085903.

It is not an unprimeable number, because it can be changed into a prime (2085931) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48489 + ... + 48531.

It is an arithmetic number, because the mean of its divisors is an integer number (48906).

22085930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3521232).

2085930 is an abundant number, since it is smaller than the sum of its proper divisors (4956534).

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

2085930 is a wasteful number, since it uses less digits than its factorization.

2085930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2085930 is about 1444.2749045801. The cubic root of 2085930 is about 127.7712793727.

Subtracting from 2085930 its sum of digits (27), we obtain a triangular number (2085903 = T2042).

The spelling of 2085930 in words is "two million, eighty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 43 45 49 55 63 66 70 77 86 90 98 99 105 110 126 129 147 154 165 198 210 215 231 245 258 294 301 315 330 385 387 430 441 462 473 490 495 539 602 630 645 693 735 770 774 882 903 946 990 1078 1155 1290 1386 1419 1470 1505 1617 1806 1935 2107 2205 2310 2365 2695 2709 2838 3010 3234 3311 3465 3870 4214 4257 4410 4515 4730 4851 5390 5418 6321 6622 6930 7095 8085 8514 9030 9702 9933 10535 12642 13545 14190 16170 16555 18963 19866 21070 21285 23177 24255 27090 29799 31605 33110 37926 42570 46354 48510 49665 59598 63210 69531 94815 99330 115885 139062 148995 189630 208593 231770 297990 347655 417186 695310 1042965 2085930