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420325255 = 57171096481
BaseRepresentation
bin11001000011011…
…010011110000111
31002021220201212001
4121003122132013
51330100402010
6105413010131
713262464030
oct3103323607
91067821761
10420325255
111a6298649
12b8923947
1369109a8c
143db75a87
1526d7ac3a
hex190da787

420325255 has 32 divisors (see below), whose sum is σ = 616049280. Its totient is φ = 268738560.

The previous prime is 420325247. The next prime is 420325271. The reversal of 420325255 is 552523024.

It is not a de Polignac number, because 420325255 - 23 = 420325247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61615 + ... + 68095.

It is an arithmetic number, because the mean of its divisors is an integer number (19251540).

Almost surely, 2420325255 is an apocalyptic number.

420325255 is a deficient number, since it is larger than the sum of its proper divisors (195724025).

420325255 is a wasteful number, since it uses less digits than its factorization.

420325255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 420325255 is about 20501.8354056411. The cubic root of 420325255 is about 749.0805057604.

Adding to 420325255 its reverse (552523024), we get a palindrome (972848279).

The spelling of 420325255 in words is "four hundred twenty million, three hundred twenty-five thousand, two hundred fifty-five".

Divisors: 1 5 7 17 35 85 109 119 545 595 763 1853 3815 6481 9265 12971 32405 45367 64855 110177 226835 550885 706429 771239 3532145 3856195 4945003 12009293 24725015 60046465 84065051 420325255