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420241003 = 721317151257
BaseRepresentation
bin11001000011000…
…101111001101011
31002021202110021121
4121003011321223
51330040203003
6105411120111
713261663300
oct3103057153
91067673247
10420241003
111a6240316
12b88a3037
13690aa620
143db530a7
1526d60cbd
hex190c5e6b

420241003 has 48 divisors (see below), whose sum is σ = 563298624. Its totient is φ = 309657600.

The previous prime is 420240983. The next prime is 420241039. The reversal of 420241003 is 300142024.

It is not a de Polignac number, because 420241003 - 213 = 420232811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420241043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1635051 + ... + 1635307.

It is an arithmetic number, because the mean of its divisors is an integer number (11735388).

Almost surely, 2420241003 is an apocalyptic number.

420241003 is a deficient number, since it is larger than the sum of its proper divisors (143057621).

420241003 is a wasteful number, since it uses less digits than its factorization.

420241003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420241003 is about 20499.7805598011. The cubic root of 420241003 is about 749.0304526588.

Adding to 420241003 its reverse (300142024), we get a palindrome (720383027).

The spelling of 420241003 in words is "four hundred twenty million, two hundred forty-one thousand, three".

Divisors: 1 7 13 17 49 91 119 151 221 257 637 833 1057 1547 1799 1963 2567 3341 4369 7399 10829 12593 13741 17969 23387 30583 33371 38807 56797 96187 125783 163709 214081 233597 271649 397579 504491 659719 1635179 1901543 2783053 3531437 4618033 8576347 24720059 32326231 60034429 420241003