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2428323349 = 2938287793
BaseRepresentation
bin1001000010111101…
…0100011000010101
320021020022121101211
42100233110120111
514433122321344
61040543221421
7114114256624
oct22057243025
96236277354
102428323349
1110367a8301
125792a7871
132c912472a
141907136bb
15e32bd334
hex90bd4615

2428323349 has 4 divisors (see below), whose sum is σ = 2436611436. Its totient is φ = 2420035264.

The previous prime is 2428323347. The next prime is 2428323383. The reversal of 2428323349 is 9433238242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1943222724 + 485100625 = 44082^2 + 22025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428323349 - 21 = 2428323347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428323343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4143604 + ... + 4144189.

It is an arithmetic number, because the mean of its divisors is an integer number (609152859).

Almost surely, 22428323349 is an apocalyptic number.

It is an amenable number.

2428323349 is a deficient number, since it is larger than the sum of its proper divisors (8288087).

2428323349 is an equidigital number, since it uses as much as digits as its factorization.

2428323349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288086.

The product of its digits is 248832, while the sum is 40.

The square root of 2428323349 is about 49278.0209525504. The cubic root of 2428323349 is about 1344.1121449332.

The spelling of 2428323349 in words is "two billion, four hundred twenty-eight million, three hundred twenty-three thousand, three hundred forty-nine".

Divisors: 1 293 8287793 2428323349