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420568299 = 32268317417
BaseRepresentation
bin11001000100010…
…101110011101011
31002022101002020200
4121010111303223
51330131141144
6105422123243
713264525434
oct3104256353
91068332220
10420568299
111a6444208
12b8a20523
13691935a8
143dbda48b
1526dc7c69
hex19115ceb

420568299 has 12 divisors (see below), whose sum is σ = 607748856. Its totient is φ = 280258272.

The previous prime is 420568277. The next prime is 420568301. The reversal of 420568299 is 992865024.

It is not a de Polignac number, because 420568299 - 216 = 420502763 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (420560299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15439 + ... + 32855.

It is an arithmetic number, because the mean of its divisors is an integer number (50645738).

Almost surely, 2420568299 is an apocalyptic number.

420568299 is a deficient number, since it is larger than the sum of its proper divisors (187180557).

420568299 is a wasteful number, since it uses less digits than its factorization.

420568299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20106 (or 20103 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 420568299 is about 20507.7619207948. The cubic root of 420568299 is about 749.2248578155.

The spelling of 420568299 in words is "four hundred twenty million, five hundred sixty-eight thousand, two hundred ninety-nine".

Divisors: 1 3 9 2683 8049 17417 24147 52251 156753 46729811 140189433 420568299