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5281620 = 22351941113
BaseRepresentation
bin10100001001011101010100
3100221100000120
4110021131110
52323002440
6305111540
762615211
oct24113524
910840016
105281620
112a88183
1219285b0
13112c026
149b6b08
156e4dd0
hex509754

5281620 has 96 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 1290240.

The previous prime is 5281613. The next prime is 5281631. The reversal of 5281620 is 261825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46684 + ... + 46796.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 25281620 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 5281620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

5281620 is an abundant number, since it is smaller than the sum of its proper divisors (10806060).

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

5281620 is a wasteful number, since it uses less digits than its factorization.

5281620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5281620 is about 2298.1775388338. The cubic root of 5281620 is about 174.1495609318.

It can be divided in two parts, 5 and 281620, that added together give a triangular number (281625 = T750).

The spelling of 5281620 in words is "five million, two hundred eighty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 41 57 60 76 82 95 113 114 123 164 190 205 226 228 246 285 339 380 410 452 492 565 570 615 678 779 820 1130 1140 1230 1356 1558 1695 2147 2260 2337 2460 3116 3390 3895 4294 4633 4674 6441 6780 7790 8588 9266 9348 10735 11685 12882 13899 15580 18532 21470 23165 23370 25764 27798 32205 42940 46330 46740 55596 64410 69495 88027 92660 128820 138990 176054 264081 277980 352108 440135 528162 880270 1056324 1320405 1760540 2640810 5281620