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420833286 = 2337793209
BaseRepresentation
bin11001000101010…
…110100000000110
31002022212112202000
4121011112200012
51330213131121
6105431530130
713300011126
oct3105264006
91068775660
10420833286
111a6605305
12b8b29946
13692570a3
143dc68c86
1526e2b526
hex19156806

420833286 has 16 divisors (see below), whose sum is σ = 935185200. Its totient is φ = 140277744.

The previous prime is 420833279. The next prime is 420833291. The reversal of 420833286 is 682338024.

It is a self number, because there is not a number n which added to its sum of digits gives 420833286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3896551 + ... + 3896658.

It is an arithmetic number, because the mean of its divisors is an integer number (58449075).

Almost surely, 2420833286 is an apocalyptic number.

420833286 is an abundant number, since it is smaller than the sum of its proper divisors (514351914).

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

420833286 is a wasteful number, since it uses less digits than its factorization.

420833286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793220 (or 7793214 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 420833286 is about 20514.2215548141. The cubic root of 420833286 is about 749.3821792030.

It can be divided in two parts, 42083 and 3286, that added together give a square (45369 = 2132).

The spelling of 420833286 in words is "four hundred twenty million, eight hundred thirty-three thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 7793209 15586418 23379627 46759254 70138881 140277762 210416643 420833286