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420364752 = 2438757599
BaseRepresentation
bin11001000011100…
…100000111010000
31002021222202000220
4121003210013100
51330103133002
6105413513040
713263020133
oct3103440720
91067882026
10420364752
111a6315295
12b8942780
1369121a52
143db8621a
1526d877bc
hex190e41d0

420364752 has 20 divisors (see below), whose sum is σ = 1085942400. Its totient is φ = 140121568.

The previous prime is 420364751. The next prime is 420364771. The reversal of 420364752 is 257463024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420364751) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4378752 + ... + 4378847.

It is an arithmetic number, because the mean of its divisors is an integer number (54297120).

Almost surely, 2420364752 is an apocalyptic number.

It is an amenable number.

420364752 is an abundant number, since it is smaller than the sum of its proper divisors (665577648).

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

420364752 is a wasteful number, since it uses less digits than its factorization.

420364752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757610 (or 8757604 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 420364752 is about 20502.7986382347. The cubic root of 420364752 is about 749.1039681511.

The spelling of 420364752 in words is "four hundred twenty million, three hundred sixty-four thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 8757599 17515198 26272797 35030396 52545594 70060792 105091188 140121584 210182376 420364752