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420364744 = 23232978779
BaseRepresentation
bin11001000011100…
…100000111001000
31002021222202000121
4121003210013020
51330103132434
6105413513024
713263020122
oct3103440710
91067882017
10420364744
111a6315288
12b8942774
1369121a47
143db86212
1526d877b4
hex190e41c8

420364744 has 32 divisors (see below), whose sum is σ = 850824000. Its totient is φ = 194108992.

The previous prime is 420364723. The next prime is 420364751. The reversal of 420364744 is 447463024.

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, 34054 + ... + 44725.

It is an arithmetic number, because the mean of its divisors is an integer number (26588250).

Almost surely, 2420364744 is an apocalyptic number.

It is an amenable number.

420364744 is an abundant number, since it is smaller than the sum of its proper divisors (430459256).

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

420364744 is a wasteful number, since it uses less digits than its factorization.

420364744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78837 (or 78833 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 420364744 is about 20502.7984431394. The cubic root of 420364744 is about 749.1039633990.

The spelling of 420364744 in words is "four hundred twenty million, three hundred sixty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 8 23 29 46 58 92 116 184 232 667 1334 2668 5336 78779 157558 315116 630232 1811917 2284591 3623834 4569182 7247668 9138364 14495336 18276728 52545593 105091186 210182372 420364744