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420201232 = 24112387507
BaseRepresentation
bin11001000010111…
…100001100010000
31002021200102201121
4121002330030100
51330032414412
6105410212024
713261436323
oct3102741420
91067612647
10420201232
111a6213450
12b8884014
13690954a9
143db427ba
1526d54107
hex190bc310

420201232 has 20 divisors (see below), whose sum is σ = 888152976. Its totient is φ = 191000480.

The previous prime is 420201163. The next prime is 420201239. The reversal of 420201232 is 232102024.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (420201239) 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, 1193578 + ... + 1193929.

Almost surely, 2420201232 is an apocalyptic number.

It is an amenable number.

420201232 is an abundant number, since it is smaller than the sum of its proper divisors (467951744).

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

420201232 is a wasteful number, since it uses less digits than its factorization.

420201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387526 (or 2387520 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420201232 is about 20498.8105020755. The cubic root of 420201232 is about 749.0068228609.

Adding to 420201232 its reverse (232102024), we get a palindrome (652303256).

The spelling of 420201232 in words is "four hundred twenty million, two hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 2387507 4775014 9550028 19100056 26262577 38200112 52525154 105050308 210100616 420201232