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415530409 = 789666983
BaseRepresentation
bin11000110001000…
…111110110101001
31001221220010120011
4120301013312221
51322333433114
6105122131521
713203643630
oct3061076651
91057803504
10415530409
111a3613168
12b71b0ba1
136811b4a8
143d288517
15267301c4
hex18c47da9

415530409 has 8 divisors (see below), whose sum is σ = 480228480. Its totient is φ = 352166496.

The previous prime is 415530403. The next prime is 415530413. The reversal of 415530409 is 904035514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 415530409 - 25 = 415530377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415530403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332869 + ... + 334114.

It is an arithmetic number, because the mean of its divisors is an integer number (60028560).

Almost surely, 2415530409 is an apocalyptic number.

It is an amenable number.

415530409 is a deficient number, since it is larger than the sum of its proper divisors (64698071).

415530409 is an equidigital number, since it uses as much as digits as its factorization.

415530409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667079.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 415530409 is about 20384.5630073347. The cubic root of 415530409 is about 746.2212355978.

The spelling of 415530409 in words is "four hundred fifteen million, five hundred thirty thousand, four hundred nine".

Divisors: 1 7 89 623 666983 4668881 59361487 415530409