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420420435 = 3528028029
BaseRepresentation
bin11001000011110…
…001101101010011
31002022002120102020
4121003301231103
51330111423220
6105415022523
713263341361
oct3103615523
91068076366
10420420435
111a6353106
12b896aa43
13691411b6
143db9c631
1526d99040
hex190f1b53

420420435 has 8 divisors (see below), whose sum is σ = 672672720. Its totient is φ = 224224224.

The previous prime is 420420379. The next prime is 420420439. The reversal of 420420435 is 534024024.

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

It is not a de Polignac number, because 420420435 - 28 = 420420179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420420439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14014000 + ... + 14014029.

It is an arithmetic number, because the mean of its divisors is an integer number (84084090).

Almost surely, 2420420435 is an apocalyptic number.

420420435 is a deficient number, since it is larger than the sum of its proper divisors (252252285).

420420435 is a wasteful number, since it uses less digits than its factorization.

420420435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028037.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 420420435 is about 20504.1565298356. The cubic root of 420420435 is about 749.1370430100.

Adding to 420420435 its reverse (534024024), we get a palindrome (954444459).

The spelling of 420420435 in words is "four hundred twenty million, four hundred twenty thousand, four hundred thirty-five".

Divisors: 1 3 5 15 28028029 84084087 140140145 420420435