Search a number
-
+
5981220 = 22325747101
BaseRepresentation
bin10110110100010000100100
3102020212200200
4112310100210
53012344340
6332110500
7101560650
oct26642044
912225620
105981220
113415863
122005430
1313155ab
14b19a60
157d2330
hex5b4424

5981220 has 144 divisors (see below), whose sum is σ = 21385728. Its totient is φ = 1324800.

The previous prime is 5981207. The next prime is 5981237. The reversal of 5981220 is 221895.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59170 + ... + 59270.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

Almost surely, 25981220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5981220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10692864).

5981220 is an abundant number, since it is smaller than the sum of its proper divisors (15404508).

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

5981220 is a wasteful number, since it uses less digits than its factorization.

5981220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5981220 is about 2445.6532869563. The cubic root of 5981220 is about 181.5222748884.

The spelling of 5981220 in words is "five million, nine hundred eighty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 47 60 63 70 84 90 94 101 105 126 140 141 180 188 202 210 235 252 282 303 315 329 404 420 423 470 505 564 606 630 658 705 707 846 909 940 987 1010 1212 1260 1316 1410 1414 1515 1645 1692 1818 1974 2020 2115 2121 2820 2828 2961 3030 3290 3535 3636 3948 4230 4242 4545 4747 4935 5922 6060 6363 6580 7070 8460 8484 9090 9494 9870 10605 11844 12726 14140 14241 14805 18180 18988 19740 21210 23735 25452 28482 29610 31815 33229 42420 42723 47470 56964 59220 63630 66458 71205 85446 94940 99687 127260 132916 142410 166145 170892 199374 213615 284820 299061 332290 398748 427230 498435 598122 664580 854460 996870 1196244 1495305 1993740 2990610 5981220