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4775540 = 2257211443
BaseRepresentation
bin10010001101111001110100
322222121210212
4102031321310
52210304130
6250204552
755406600
oct22157164
98877725
104775540
112771a30
121723758
13cb2883
148c4500
15644e95
hex48de74

4775540 has 72 divisors (see below), whose sum is σ = 12755232. Its totient is φ = 1485120.

The previous prime is 4775539. The next prime is 4775543. The reversal of 4775540 is 455774.

It is a junction number, because it is equal to n+sod(n) for n = 4775497 and 4775506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4775543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10559 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (177156).

Almost surely, 24775540 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 4775540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6377616).

4775540 is an abundant number, since it is smaller than the sum of its proper divisors (7979692).

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

4775540 is a wasteful number, since it uses less digits than its factorization.

4775540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4775540 is about 2185.3008946138. The cubic root of 4775540 is about 168.3995121506.

The spelling of 4775540 in words is "four million, seven hundred seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 385 443 490 539 770 886 980 1078 1540 1772 2156 2215 2695 3101 4430 4873 5390 6202 8860 9746 10780 12404 15505 19492 21707 24365 31010 34111 43414 48730 62020 68222 86828 97460 108535 136444 170555 217070 238777 341110 434140 477554 682220 955108 1193885 2387770 4775540