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4289450620 = 22571311320857
BaseRepresentation
bin1111111110101011…
…1101001001111100
3102001221100200001111
43333222331021330
532241044404440
61545345451404
7211203504640
oct37752751174
912057320044
104289450620
111901312814
129b8640b64
13534897880
142c997cc20
151a189d4ea
hexffabd27c

4289450620 has 96 divisors (see below), whose sum is σ = 11185227648. Its totient is φ = 1345462272.

The previous prime is 4289450603. The next prime is 4289450647. The reversal of 4289450620 is 260549824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195232 + ... + 216088.

It is an arithmetic number, because the mean of its divisors is an integer number (116512788).

Almost surely, 24289450620 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 4289450620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5592613824).

4289450620 is an abundant number, since it is smaller than the sum of its proper divisors (6895777028).

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

4289450620 is a wasteful number, since it uses less digits than its factorization.

4289450620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20999 (or 20997 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 4289450620 is about 65493.8975783240. The cubic root of 4289450620 is about 1624.8024211062.

The spelling of 4289450620 in words is "four billion, two hundred eighty-nine million, four hundred fifty thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 113 130 140 182 226 260 364 452 455 565 791 910 1130 1469 1582 1820 2260 2938 3164 3955 5876 7345 7910 10283 14690 15820 20566 20857 29380 41132 41714 51415 83428 102830 104285 145999 205660 208570 271141 291998 417140 542282 583996 729995 1084564 1355705 1459990 1897987 2356841 2711410 2919980 3795974 4713682 5422820 7591948 9427364 9489935 11784205 16497887 18979870 23568410 30638933 32995774 37959740 47136820 61277866 65991548 82489435 122555732 153194665 164978870 214472531 306389330 329957740 428945062 612778660 857890124 1072362655 2144725310 4289450620