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421204201 = 11293130687
BaseRepresentation
bin11001000110110…
…001000011101001
31002100120101112121
4121012301003221
51330312013301
6105443511241
713303114405
oct3106610351
91070511477
10421204201
111a6838a50
12b9088521
1369356b72
143dd24105
1526ea13a1
hex191b10e9

421204201 has 8 divisors (see below), whose sum is σ = 461067264. Its totient is φ = 381603120.

The previous prime is 421204181. The next prime is 421204219. The reversal of 421204201 is 102402124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421204201 - 27 = 421204073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421204501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62121 + ... + 68566.

It is an arithmetic number, because the mean of its divisors is an integer number (57633408).

Almost surely, 2421204201 is an apocalyptic number.

It is an amenable number.

421204201 is a deficient number, since it is larger than the sum of its proper divisors (39863063).

421204201 is a wasteful number, since it uses less digits than its factorization.

421204201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130991.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 421204201 is about 20523.2599993276. The cubic root of 421204201 is about 749.6022786090.

Adding to 421204201 its reverse (102402124), we get a palindrome (523606325).

The spelling of 421204201 in words is "four hundred twenty-one million, two hundred four thousand, two hundred one".

Divisors: 1 11 293 3223 130687 1437557 38291291 421204201