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12285190 = 251228519
BaseRepresentation
bin101110110111…
…010100000110
3212010011010001
4232313110012
511121111230
61115151514
7206264611
oct56672406
925104101
1012285190
116a31055
12414559a
132711a58
1418bb178
15112a0ca
hexbb7506

12285190 has 8 divisors (see below), whose sum is σ = 22113360. Its totient is φ = 4914072.

The previous prime is 12285173. The next prime is 12285193. The reversal of 12285190 is 9158221.

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

It is a super-2 number, since 2×122851902 = 301851786672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614250 + ... + 614269.

It is an arithmetic number, because the mean of its divisors is an integer number (2764170).

Almost surely, 212285190 is an apocalyptic number.

12285190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12285190 is a deficient number, since it is larger than the sum of its proper divisors (9828170).

12285190 is a wasteful number, since it uses less digits than its factorization.

12285190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228526.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12285190 is about 3505.0235377241. The cubic root of 12285190 is about 230.7423399720.

The spelling of 12285190 in words is "twelve million, two hundred eighty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 1228519 2457038 6142595 12285190