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420568832 = 281642847
BaseRepresentation
bin11001000100010…
…101111100000000
31002022101002222102
4121010111330000
51330131200312
6105422125532
713264530125
oct3104257400
91068332872
10420568832
111a6444652
12b8a208a8
13691938c8
143dbda74c
1526dc7ec2
hex19115f00

420568832 has 18 divisors (see below), whose sum is σ = 839495328. Its totient is φ = 210284288.

The previous prime is 420568801. The next prime is 420568843. The reversal of 420568832 is 238865024.

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 as a sum of consecutive naturals, namely, 821168 + ... + 821679.

Almost surely, 2420568832 is an apocalyptic number.

It is an amenable number.

420568832 is a deficient number, since it is larger than the sum of its proper divisors (418926496).

420568832 is an equidigital number, since it uses as much as digits as its factorization.

420568832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642863 (or 1642849 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 420568832 is about 20507.7749158703. The cubic root of 420568832 is about 749.2251743211.

It can be divided in two parts, 4205 and 68832, that added together give a palindrome (73037).

The spelling of 420568832 in words is "four hundred twenty million, five hundred sixty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 1642847 3285694 6571388 13142776 26285552 52571104 105142208 210284416 420568832