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2998380 = 2235711259
BaseRepresentation
bin1011011100000001101100
312122100000010
423130001230
51231422010
6144133220
734325430
oct13340154
95570003
102998380
111768800
121007210
1380c9b8
145809c0
153e3620
hex2dc06c

2998380 has 144 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 612480.

The previous prime is 2998363. The next prime is 2998381. The reversal of 2998380 is 838992.

It is not an unprimeable number, because it can be changed into a prime (2998381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50791 + ... + 50849.

It is an arithmetic number, because the mean of its divisors is an integer number (74480).

22998380 is an apocalyptic number.

2998380 is a gapful number since it is divisible by the number (20) 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 2998380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

2998380 is an abundant number, since it is smaller than the sum of its proper divisors (7726740).

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

2998380 is a wasteful number, since it uses less digits than its factorization.

2998380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2998380 is about 1731.5830907005. The cubic root of 2998380 is about 144.1989918642.

The spelling of 2998380 in words is "two million, nine hundred ninety-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 59 60 66 70 77 84 105 110 118 121 132 140 154 165 177 210 220 231 236 242 295 308 330 354 363 385 413 420 462 484 590 605 649 660 708 726 770 826 847 885 924 1155 1180 1210 1239 1298 1452 1540 1652 1694 1770 1815 1947 2065 2310 2420 2478 2541 2596 3245 3388 3540 3630 3894 4130 4235 4543 4620 4956 5082 6195 6490 7139 7260 7788 8260 8470 9086 9735 10164 12390 12705 12980 13629 14278 16940 18172 19470 21417 22715 24780 25410 27258 28556 35695 38940 42834 45430 49973 50820 54516 68145 71390 85668 90860 99946 107085 136290 142780 149919 199892 214170 249865 272580 299838 428340 499730 599676 749595 999460 1499190 2998380