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420466800 = 243521326953
BaseRepresentation
bin11001000011111…
…101000001110000
31002022011221000110
4121003331001300
51330114414200
6105420021320
713263623505
oct3103750160
91068157013
10420466800
111a6384a26
12b8991840
1369159330
143dbb14ac
1526da7b50
hex190fd070

420466800 has 120 divisors (see below), whose sum is σ = 1450556464. Its totient is φ = 103495680.

The previous prime is 420466793. The next prime is 420466807. The reversal of 420466800 is 8664024.

It is an interprime number because it is at equal distance from previous prime (420466793) and next prime (420466807).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420466807) by changing a digit.

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, 2124 + ... + 29076.

Almost surely, 2420466800 is an apocalyptic number.

420466800 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 420466800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725278232).

420466800 is an abundant number, since it is smaller than the sum of its proper divisors (1030089664).

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

420466800 is a wasteful number, since it uses less digits than its factorization.

420466800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26987 (or 26976 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 420466800 is about 20505.2871230812. The cubic root of 420466800 is about 749.1645808898.

The spelling of 420466800 in words is "four hundred twenty million, four hundred sixty-six thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 75 78 80 100 104 120 130 150 156 195 200 208 240 260 300 312 325 390 400 520 600 624 650 780 975 1040 1200 1300 1560 1950 2600 3120 3900 5200 7800 15600 26953 53906 80859 107812 134765 161718 215624 269530 323436 350389 404295 431248 539060 646872 673825 700778 808590 1051167 1078120 1293744 1347650 1401556 1617180 1751945 2021475 2102334 2156240 2695300 2803112 3234360 3503890 4042950 4204668 5255835 5390600 5606224 6468720 7007780 8085900 8409336 8759725 10511670 10781200 14015560 16171800 16818672 17519450 21023340 26279175 28031120 32343600 35038900 42046680 52558350 70077800 84093360 105116700 140155600 210233400 420466800