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420325003 = 7163389947
BaseRepresentation
bin11001000011011…
…010011010001011
31002021220201111201
4121003122122023
51330100400003
6105413005031
713262463220
oct3103323213
91067821451
10420325003
111a629843a
12b8923777
1369109927
143db75947
1526d7ab1d
hex190da68b

420325003 has 16 divisors (see below), whose sum is σ = 485072640. Its totient is φ = 356770656.

The previous prime is 420324991. The next prime is 420325067. The reversal of 420325003 is 300523024.

It is a cyclic number.

It is not a de Polignac number, because 420325003 - 29 = 420324491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420325093) 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, 443376 + ... + 444322.

It is an arithmetic number, because the mean of its divisors is an integer number (30317040).

Almost surely, 2420325003 is an apocalyptic number.

420325003 is a deficient number, since it is larger than the sum of its proper divisors (64747637).

420325003 is a wasteful number, since it uses less digits than its factorization.

420325003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 420325003 is about 20501.8292598490. The cubic root of 420325003 is about 749.0803560602.

Adding to 420325003 its reverse (300523024), we get a palindrome (720848027).

The spelling of 420325003 in words is "four hundred twenty million, three hundred twenty-five thousand, three".

Divisors: 1 7 163 389 947 1141 2723 6629 63407 154361 368383 443849 1080527 2578681 60046429 420325003