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3040380 = 22325719127
BaseRepresentation
bin1011100110010001111100
312201110121200
423212101330
51234243010
6145055500
734562040
oct13462174
95643550
103040380
111797312
121027590
13825b55
14592020
15400cc0
hex2e647c

3040380 has 144 divisors (see below), whose sum is σ = 11182080. Its totient is φ = 653184.

The previous prime is 3040369. The next prime is 3040381. The reversal of 3040380 is 830403.

3040380 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040381) 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, 23877 + ... + 24003.

Almost surely, 23040380 is an apocalyptic number.

3040380 is a gapful number since it is divisible by the number (30) 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 3040380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5591040).

3040380 is an abundant number, since it is smaller than the sum of its proper divisors (8141700).

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

3040380 is a wasteful number, since it uses less digits than its factorization.

3040380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3040380 is about 1743.6685464847. The cubic root of 3040380 is about 144.8691645811.

Adding to 3040380 its reverse (830403), we get a palindrome (3870783).

The spelling of 3040380 in words is "three million, forty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 57 60 63 70 76 84 90 95 105 114 126 127 133 140 171 180 190 210 228 252 254 266 285 315 342 380 381 399 420 508 532 570 630 635 665 684 762 798 855 889 1140 1143 1197 1260 1270 1330 1524 1596 1710 1778 1905 1995 2286 2394 2413 2540 2660 2667 3420 3556 3810 3990 4445 4572 4788 4826 5334 5715 5985 7239 7620 7980 8001 8890 9652 10668 11430 11970 12065 13335 14478 16002 16891 17780 21717 22860 23940 24130 26670 28956 32004 33782 36195 40005 43434 48260 50673 53340 67564 72390 80010 84455 86868 101346 108585 144780 152019 160020 168910 202692 217170 253365 304038 337820 434340 506730 608076 760095 1013460 1520190 3040380