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420432050 = 2528408641
BaseRepresentation
bin11001000011110…
…100100010110010
31002022010011100102
4121003310202302
51330112311200
6105415152402
713263420263
oct3103644262
91068104312
10420432050
111a6360905
12b8975702
136914657c
143dba296a
1526d9c6d5
hex190f48b2

420432050 has 12 divisors (see below), whose sum is σ = 782003706. Its totient is φ = 168172800.

The previous prime is 420432043. The next prime is 420432079. The reversal of 420432050 is 50234024.

It can be written as a sum of positive squares in 3 ways, for example, as 361342081 + 59089969 = 19009^2 + 7687^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4204271 + ... + 4204370.

Almost surely, 2420432050 is an apocalyptic number.

420432050 is a deficient number, since it is larger than the sum of its proper divisors (361571656).

420432050 is a wasteful number, since it uses less digits than its factorization.

420432050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408653 (or 8408648 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 420432050 is about 20504.4397631342. The cubic root of 420432050 is about 749.1439417760.

Adding to 420432050 its reverse (50234024), we get a palindrome (470666074).

The spelling of 420432050 in words is "four hundred twenty million, four hundred thirty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 8408641 16817282 42043205 84086410 210216025 420432050