Search a number
-
+
4725220 = 225236261
BaseRepresentation
bin10010000001100111100100
322220001210011
4102001213210
52202201340
6245140004
755110103
oct22014744
98801704
104725220
112738145
1216ba604
13c959b6
148b003a
156350ea
hex4819e4

4725220 has 12 divisors (see below), whose sum is σ = 9923004. Its totient is φ = 1890080.

The previous prime is 4725199. The next prime is 4725221. The reversal of 4725220 is 225274.

It can be written as a sum of positive squares in 2 ways, for example, as 3182656 + 1542564 = 1784^2 + 1242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4725191 and 4725200.

It is not an unprimeable number, because it can be changed into a prime (4725221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118111 + ... + 118150.

It is an arithmetic number, because the mean of its divisors is an integer number (826917).

Almost surely, 24725220 is an apocalyptic number.

It is an amenable number.

4725220 is an abundant number, since it is smaller than the sum of its proper divisors (5197784).

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

4725220 is a wasteful number, since it uses less digits than its factorization.

4725220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236270 (or 236268 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4725220 is about 2173.7571161471. The cubic root of 4725220 is about 167.8059456270.

The spelling of 4725220 in words is "four million, seven hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 236261 472522 945044 1181305 2362610 4725220