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4205630 = 25111317173
BaseRepresentation
bin10000000010110000111110
321220200001002
4100002300332
52034040010
6230050302
750514212
oct20026076
97820032
104205630
112412830
1214a9992
13b43350
147b6942
155811a5
hex402c3e

4205630 has 64 divisors (see below), whose sum is σ = 9471168. Its totient is φ = 1320960.

The previous prime is 4205623. The next prime is 4205651. The reversal of 4205630 is 365024.

It is a d-powerful number, because it can be written as 411 + 213 + 0 + 55 + 6 + 3 + 0 .

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, 24224 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (147987).

Almost surely, 24205630 is an apocalyptic number.

4205630 is an abundant number, since it is smaller than the sum of its proper divisors (5265538).

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

4205630 is a wasteful number, since it uses less digits than its factorization.

4205630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4205630 is about 2050.7632725403. The cubic root of 4205630 is about 161.4149245033.

Subtracting from 4205630 its reverse (365024), we obtain a triangular number (3840606 = T2771).

The spelling of 4205630 in words is "four million, two hundred five thousand, six hundred thirty".

Divisors: 1 2 5 10 11 13 17 22 26 34 55 65 85 110 130 143 170 173 187 221 286 346 374 442 715 865 935 1105 1430 1730 1870 1903 2210 2249 2431 2941 3806 4498 4862 5882 9515 11245 12155 14705 19030 22490 24310 24739 29410 32351 38233 49478 64702 76466 123695 161755 191165 247390 323510 382330 420563 841126 2102815 4205630