Search a number
-
+
4979220 = 2235312677
BaseRepresentation
bin10010111111101000010100
3100100222012120
4102333220110
52233313340
6254415540
760215451
oct22775024
910328176
104979220
1128a0a64
1218015b0
1310544ac
14938828
156854d0
hex4bfa14

4979220 has 48 divisors (see below), whose sum is σ = 14396928. Its totient is φ = 1284480.

The previous prime is 4979209. The next prime is 4979263. The reversal of 4979220 is 229794.

4979220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522 + ... + 3198.

It is an arithmetic number, because the mean of its divisors is an integer number (299936).

Almost surely, 24979220 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 4979220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7198464).

4979220 is an abundant number, since it is smaller than the sum of its proper divisors (9417708).

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

4979220 is a wasteful number, since it uses less digits than its factorization.

4979220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 4979220 is about 2231.4165904196. The cubic root of 4979220 is about 170.7603770703.

The spelling of 4979220 in words is "four million, nine hundred seventy-nine thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 2677 5354 8031 10708 13385 16062 26770 32124 40155 53540 80310 82987 160620 165974 248961 331948 414935 497922 829870 995844 1244805 1659740 2489610 4979220