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4210001920 = 21152914177
BaseRepresentation
bin1111101011101111…
…1000100000000000
3101212101212020221001
43322323320200000
532110230030140
61533430541344
7206220266035
oct37273704000
911771766831
104210001920
111870488833
12995b07854
1352129b3c7
142bd1bb38c
15199907e9a
hexfaef8800

4210001920 has 96 divisors (see below), whose sum is σ = 10450603800. Its totient is φ = 1625817088.

The previous prime is 4210001911. The next prime is 4210001927. The reversal of 4210001920 is 291000124.

It can be written as a sum of positive squares in 4 ways, for example, as 4174193664 + 35808256 = 64608^2 + 5984^2 .

It is not an unprimeable number, because it can be changed into a prime (4210001927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289872 + ... + 304048.

Almost surely, 24210001920 is an apocalyptic number.

4210001920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4210001920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225301900).

4210001920 is an abundant number, since it is smaller than the sum of its proper divisors (6240601880).

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

4210001920 is a wasteful number, since it uses less digits than its factorization.

4210001920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14233 (or 14213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4210001920 is about 64884.5275855500. The cubic root of 4210001920 is about 1614.7083754894.

The spelling of 4210001920 in words is "four billion, two hundred ten million, one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 145 160 232 256 290 320 464 512 580 640 928 1024 1160 1280 1856 2048 2320 2560 3712 4640 5120 7424 9280 10240 14177 14848 18560 28354 29696 37120 56708 59392 70885 74240 113416 141770 148480 226832 283540 296960 411133 453664 567080 822266 907328 1134160 1644532 1814656 2055665 2268320 3289064 3629312 4111330 4536640 6578128 7258624 8222660 9073280 13156256 14517248 16445320 18146560 26312512 29034496 32890640 36293120 52625024 65781280 72586240 105250048 131562560 145172480 210500096 263125120 421000192 526250240 842000384 1052500480 2105000960 4210001920