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2285212609 = 3169972091
BaseRepresentation
bin1000100000110101…
…1001001111000001
312220021000211101001
42020031121033001
514140003300414
61014432012001
7110425662301
oct21015311701
95807024331
102285212609
11a72a41069
12539391001
132a5598514
141796dd601
15d5950074
hex883593c1

2285212609 has 4 divisors (see below), whose sum is σ = 2285316400. Its totient is φ = 2285108820.

The previous prime is 2285212583. The next prime is 2285212619. The reversal of 2285212609 is 9062125822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2285212609 - 211 = 2285210561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285212619) 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, 4347 + ... + 67744.

It is an arithmetic number, because the mean of its divisors is an integer number (571329100).

Almost surely, 22285212609 is an apocalyptic number.

It is an amenable number.

2285212609 is a deficient number, since it is larger than the sum of its proper divisors (103791).

2285212609 is an equidigital number, since it uses as much as digits as its factorization.

2285212609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103790.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2285212609 is about 47803.8974247916. The cubic root of 2285212609 is about 1317.1711321097.

The spelling of 2285212609 in words is "two billion, two hundred eighty-five million, two hundred twelve thousand, six hundred nine".

Divisors: 1 31699 72091 2285212609