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420795360 = 25325734003
BaseRepresentation
bin11001000101001…
…101001111100000
31002022210121201100
4121011031033200
51330210422420
6105431034400
713266462426
oct3105151740
91068717640
10420795360
111a6589867
12b8b0ba00
1369242a4b
143dc59116
1526e20190
hex1914d3e0

420795360 has 144 divisors (see below), whose sum is σ = 1455998544. Its totient is φ = 110647296.

The previous prime is 420795343. The next prime is 420795491. The reversal of 420795360 is 63597024.

420795360 is a `hidden beast` number, since 4 + 207 + 95 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103119 + ... + 107121.

It is an arithmetic number, because the mean of its divisors is an integer number (10111101).

Almost surely, 2420795360 is an apocalyptic number.

420795360 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 420795360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727999272).

420795360 is an abundant number, since it is smaller than the sum of its proper divisors (1035203184).

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

420795360 is a wasteful number, since it uses less digits than its factorization.

420795360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 420795360 is about 20513.2971508727. The cubic root of 420795360 is about 749.3596667868.

The spelling of 420795360 in words is "four hundred twenty million, seven hundred ninety-five thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 73 80 90 96 120 144 146 160 180 219 240 288 292 360 365 438 480 584 657 720 730 876 1095 1168 1314 1440 1460 1752 2190 2336 2628 2920 3285 3504 4003 4380 5256 5840 6570 7008 8006 8760 10512 11680 12009 13140 16012 17520 20015 21024 24018 26280 32024 35040 36027 40030 48036 52560 60045 64048 72054 80060 96072 105120 120090 128096 144108 160120 180135 192144 240180 288216 292219 320240 360270 384288 480360 576432 584438 640480 720540 876657 960720 1152864 1168876 1441080 1461095 1753314 1921440 2337752 2629971 2882160 2922190 3506628 4383285 4675504 5259942 5764320 5844380 7013256 8766570 9351008 10519884 11688760 13149855 14026512 17533140 21039768 23377520 26299710 28053024 35066280 42079536 46755040 52599420 70132560 84159072 105198840 140265120 210397680 420795360