Search a number
-
+
1335205040 = 245134373409
BaseRepresentation
bin100111110010101…
…1001110010110000
310110001102102222112
41033211121302300
510213303030130
6340254024452
745042025031
oct11745316260
93401372875
101335205040
11625763344
123131a8128
13183813170
14c9486a88
157c346495
hex4f959cb0

1335205040 has 160 divisors (see below), whose sum is σ = 3476235840. Its totient is φ = 473776128.

The previous prime is 1335205019. The next prime is 1335205043. The reversal of 1335205040 is 405025331.

It is a junction number, because it is equal to n+sod(n) for n = 1335204997 and 1335205015.

It is not an unprimeable number, because it can be changed into a prime (1335205043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3264356 + ... + 3264764.

It is an arithmetic number, because the mean of its divisors is an integer number (21726474).

Almost surely, 21335205040 is an apocalyptic number.

1335205040 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 1335205040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738117920).

1335205040 is an abundant number, since it is smaller than the sum of its proper divisors (2141030800).

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

1335205040 is a wasteful number, since it uses less digits than its factorization.

1335205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1335205040 is about 36540.4575778684. The cubic root of 1335205040 is about 1101.1571954315.

The spelling of 1335205040 in words is "one billion, three hundred thirty-five million, two hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 43 52 65 73 80 86 104 130 146 172 208 215 260 292 344 365 409 430 520 559 584 688 730 818 860 949 1040 1118 1168 1460 1636 1720 1898 2045 2236 2795 2920 3139 3272 3440 3796 4090 4472 4745 5317 5590 5840 6278 6544 7592 8180 8944 9490 10634 11180 12556 15184 15695 16360 17587 18980 21268 22360 25112 26585 29857 31390 32720 35174 37960 40807 42536 44720 50224 53170 59714 62780 70348 75920 81614 85072 87935 106340 119428 125560 140696 149285 163228 175870 204035 212680 228631 238856 251120 281392 298570 326456 351740 388141 408070 425360 457262 477712 597140 652912 703480 776282 816140 914524 1143155 1194280 1283851 1406960 1552564 1632280 1829048 1940705 2286310 2388560 2567702 3105128 3264560 3658096 3881410 4572620 5135404 6210256 6419255 7762820 9145240 10270808 12838510 15525640 16690063 18290480 20541616 25677020 31051280 33380126 51354040 66760252 83450315 102708080 133520504 166900630 267041008 333801260 667602520 1335205040