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512104243 = 7217229243
BaseRepresentation
bin11110100001100…
…001011100110011
31022200121120221211
4132201201130303
52022044313433
6122452100551
715455546200
oct3641413463
91280546854
10512104243
11243084552
12123604757
1382132681
144c026ca7
152ee598cd
hex1e861733

512104243 has 54 divisors (see below), whose sum is σ = 670631676. Its totient is φ = 389604096.

The previous prime is 512104231. The next prime is 512104253. The reversal of 512104243 is 342401215.

It is not a de Polignac number, because 512104243 - 29 = 512103731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512104213) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 11909380 + ... + 11909422.

Almost surely, 2512104243 is an apocalyptic number.

512104243 is a deficient number, since it is larger than the sum of its proper divisors (158527433).

512104243 is a wasteful number, since it uses less digits than its factorization.

512104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 512104243 is about 22629.7203473662. The cubic root of 512104243 is about 800.0542895449.

Adding to 512104243 its reverse (342401215), we get a palindrome (854505458).

The spelling of 512104243 in words is "five hundred twelve million, one hundred four thousand, two hundred forty-three".

Divisors: 1 7 17 29 43 49 119 203 289 301 493 731 833 841 1247 1421 2023 2107 3451 5117 5887 8381 8729 12427 14161 14297 21199 24157 35819 36163 41209 58667 61103 86989 100079 148393 243049 253141 360383 410669 608923 614771 700553 1038751 1701343 1771987 2522681 4303397 10451107 11909401 17658767 30123779 73157749 512104243