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4684820 = 2257109307
BaseRepresentation
bin10001110111110000010100
322211000100212
4101313300110
52144403240
6244224552
754551240
oct21676024
98730325
104684820
11270a858
12169b158
13c804aa
1489d420
15628165
hex477c14

4684820 has 48 divisors (see below), whose sum is σ = 11383680. Its totient is φ = 1586304.

The previous prime is 4684817. The next prime is 4684859. The reversal of 4684820 is 284864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15107 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (237160).

Almost surely, 24684820 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 4684820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5691840).

4684820 is an abundant number, since it is smaller than the sum of its proper divisors (6698860).

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

4684820 is a wasteful number, since it uses less digits than its factorization.

4684820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 4684820 is about 2164.4445014830. Note that the first 3 decimals coincide. The cubic root of 4684820 is about 167.3263366792.

The spelling of 4684820 in words is "four million, six hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 109 140 218 307 436 545 614 763 1090 1228 1526 1535 2149 2180 3052 3070 3815 4298 6140 7630 8596 10745 15260 21490 33463 42980 66926 133852 167315 234241 334630 468482 669260 936964 1171205 2342410 4684820