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3421380 = 2235127449
BaseRepresentation
bin1101000011010011000100
320102211020210
431003103010
51333441010
6201155420
741036604
oct15032304
96384223
103421380
111a27596
12118bb70
1392a3b1
14650c04
15478b20
hex3434c4

3421380 has 48 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 903168.

The previous prime is 3421373. The next prime is 3421393. The reversal of 3421380 is 831243.

It is a happy number.

It is a super-2 number, since 2×34213802 = 23411682208800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7396 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 23421380 is an apocalyptic number.

3421380 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 3421380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

3421380 is an abundant number, since it is smaller than the sum of its proper divisors (6255420).

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

3421380 is a wasteful number, since it uses less digits than its factorization.

3421380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3421380 is about 1849.6972725287. The cubic root of 3421380 is about 150.6839874449.

The spelling of 3421380 in words is "three million, four hundred twenty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 449 508 635 762 898 1270 1347 1524 1796 1905 2245 2540 2694 3810 4490 5388 6735 7620 8980 13470 26940 57023 114046 171069 228092 285115 342138 570230 684276 855345 1140460 1710690 3421380