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4489380 = 2232572509
BaseRepresentation
bin10001001000000010100100
322110002021100
4101020002210
52122130010
6240120100
753105400
oct21100244
98402240
104489380
112596a35
121606030
13c1254c
1484c100
155da2c0
hex4480a4

4489380 has 108 divisors (see below), whose sum is σ = 15872220. Its totient is φ = 1024128.

The previous prime is 4489367. The next prime is 4489409. The reversal of 4489380 is 839844.

It can be written as a sum of positive squares in 2 ways, for example, as 2683044 + 1806336 = 1638^2 + 1344^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8566 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (146965).

Almost surely, 24489380 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 4489380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7936110).

4489380 is an abundant number, since it is smaller than the sum of its proper divisors (11382840).

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

4489380 is a wasteful number, since it uses less digits than its factorization.

4489380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4489380 is about 2118.8157069457. The cubic root of 4489380 is about 164.9663843365.

The spelling of 4489380 in words is "four million, four hundred eighty-nine thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 441 490 509 588 630 735 882 980 1018 1260 1470 1527 1764 2036 2205 2545 2940 3054 3563 4410 4581 5090 6108 7126 7635 8820 9162 10180 10689 14252 15270 17815 18324 21378 22905 24941 30540 32067 35630 42756 45810 49882 53445 64134 71260 74823 91620 99764 106890 124705 128268 149646 160335 213780 224469 249410 299292 320670 374115 448938 498820 641340 748230 897876 1122345 1496460 2244690 4489380