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415228205 = 5721694809
BaseRepresentation
bin11000101111111…
…110000100101101
31001221022210000102
4120233332010231
51322244300310
6105111440445
713201244600
oct3057760455
91057283012
10415228205
111a3427107
12b7086125
1368043a82
143d20a337
15266c08a5
hex18bfe12d

415228205 has 12 divisors (see below), whose sum is σ = 579625020. Its totient is φ = 284727744.

The previous prime is 415228201. The next prime is 415228207. The reversal of 415228205 is 502822514.

It can be written as a sum of positive squares in 2 ways, for example, as 118940836 + 296287369 = 10906^2 + 17213^2 .

It is not a de Polignac number, because 415228205 - 22 = 415228201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415228201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847160 + ... + 847649.

It is an arithmetic number, because the mean of its divisors is an integer number (48302085).

Almost surely, 2415228205 is an apocalyptic number.

It is an amenable number.

415228205 is a deficient number, since it is larger than the sum of its proper divisors (164396815).

415228205 is a wasteful number, since it uses less digits than its factorization.

415228205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694828 (or 1694821 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 415228205 is about 20377.1490891145. The cubic root of 415228205 is about 746.0402895677.

The spelling of 415228205 in words is "four hundred fifteen million, two hundred twenty-eight thousand, two hundred five".

Divisors: 1 5 7 35 49 245 1694809 8474045 11863663 59318315 83045641 415228205