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2849420491 = 29541181619
BaseRepresentation
bin1010100111010110…
…1011010011001011
321100120200120002021
42221311223103023
521313422423431
61150424545311
7130416450241
oct25165532313
97316616067
102849420491
111232472875
12676322237
13365441938
141d060a791
1511a24cb11
hexa9d6b4cb

2849420491 has 8 divisors (see below), whose sum is σ = 2953141200. Its totient is φ = 2746064160.

The previous prime is 2849420489. The next prime is 2849420513. The reversal of 2849420491 is 1940249482.

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 2849420491 - 21 = 2849420489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2849420191) 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, 75121 + ... + 106498.

It is an arithmetic number, because the mean of its divisors is an integer number (369142650).

Almost surely, 22849420491 is an apocalyptic number.

2849420491 is a deficient number, since it is larger than the sum of its proper divisors (103720709).

2849420491 is a wasteful number, since it uses less digits than its factorization.

2849420491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182189.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2849420491 is about 53379.9633851504. The cubic root of 2849420491 is about 1417.7038356820.

The spelling of 2849420491 in words is "two billion, eight hundred forty-nine million, four hundred twenty thousand, four hundred ninety-one".

Divisors: 1 29 541 15689 181619 5266951 98255879 2849420491