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420433211 = 11971912063
BaseRepresentation
bin11001000011110…
…100110100111011
31002022010012221102
4121003310310323
51330112330321
6105415202015
713263423542
oct3103646473
91068105842
10420433211
111a6361770
12b897630b
1369146c63
143dba3159
1526d9cc0b
hex190f4d3b

420433211 has 16 divisors (see below), whose sum is σ = 466034688. Its totient is φ = 376108800.

The previous prime is 420433201. The next prime is 420433219. The reversal of 420433211 is 112334024.

It is a cyclic number.

It is not a de Polignac number, because 420433211 - 214 = 420416827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420433219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202766 + ... + 204828.

It is an arithmetic number, because the mean of its divisors is an integer number (29127168).

Almost surely, 2420433211 is an apocalyptic number.

420433211 is a deficient number, since it is larger than the sum of its proper divisors (45601477).

420433211 is a wasteful number, since it uses less digits than its factorization.

420433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 420433211 is about 20504.4680740564. The cubic root of 420433211 is about 749.1446313487.

Adding to 420433211 its reverse (112334024), we get a palindrome (532767235).

It can be divided in two parts, 42043 and 3211, that added together give a palindrome (45254).

The spelling of 420433211 in words is "four hundred twenty million, four hundred thirty-three thousand, two hundred eleven".

Divisors: 1 11 97 191 1067 2063 2101 18527 22693 200111 203797 394033 2201221 4334363 38221201 420433211