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4490220 = 2235710691
BaseRepresentation
bin10001001000001111101100
322110010102110
4101020033230
52122141340
6240124020
753111010
oct21101754
98403373
104490220
112597629
121606610
13c12a47
1484c540
155da680
hex4483ec

4490220 has 48 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 1026240.

The previous prime is 4490207. The next prime is 4490231. The reversal of 4490220 is 220944.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 4926 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

Almost surely, 24490220 is an apocalyptic number.

It is an amenable number.

4490220 is an abundant number, since it is smaller than the sum of its proper divisors (9879828).

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

4490220 is a wasteful number, since it uses less digits than its factorization.

4490220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710 (or 10708 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4490220 is about 2119.0139216154. The cubic root of 4490220 is about 164.9766725516.

The spelling of 4490220 in words is "four million, four hundred ninety thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 10691 21382 32073 42764 53455 64146 74837 106910 128292 149674 160365 213820 224511 299348 320730 374185 449022 641460 748370 898044 1122555 1496740 2245110 4490220