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1823532049 = 1995975371
BaseRepresentation
bin110110010110000…
…1110010000010001
311201002022000201001
41230230032100101
512213311011144
6500540342001
763121523653
oct15454162021
94632260631
101823532049
11856377689
1242a844901
13230a3c061
141342806d3
15aa155bd4
hex6cb0e411

1823532049 has 4 divisors (see below), whose sum is σ = 1919507440. Its totient is φ = 1727556660.

The previous prime is 1823532041. The next prime is 1823532059. The reversal of 1823532049 is 9402353281.

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.

It is a cyclic number.

It is not a de Polignac number, because 1823532049 - 23 = 1823532041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1823531999 and 1823532017.

It is not an unprimeable number, because it can be changed into a prime (1823532041) 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, 47987667 + ... + 47987704.

It is an arithmetic number, because the mean of its divisors is an integer number (479876860).

Almost surely, 21823532049 is an apocalyptic number.

1823532049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1823532049 is a deficient number, since it is larger than the sum of its proper divisors (95975391).

1823532049 is an equidigital number, since it uses as much as digits as its factorization.

1823532049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95975390.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1823532049 is about 42702.8342033641. The cubic root of 1823532049 is about 1221.7184528469.

The spelling of 1823532049 in words is "one billion, eight hundred twenty-three million, five hundred thirty-two thousand, forty-nine".

Divisors: 1 19 95975371 1823532049