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1045145041 = 6831530227
BaseRepresentation
bin111110010010111…
…010010111010001
32200211121212110121
4332102322113101
54120024120131
6251413030241
734620405043
oct7622722721
92624555417
101045145041
11496a58a36
12252025381
131386b5825
149cb3da93
1561b4c911
hex3e4ba5d1

1045145041 has 4 divisors (see below), whose sum is σ = 1046675952. Its totient is φ = 1043614132.

The previous prime is 1045145009. The next prime is 1045145053. The reversal of 1045145041 is 1405415401.

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 1045145041 - 25 = 1045145009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045144997 and 1045145015.

It is not an unprimeable number, because it can be changed into a prime (1045143041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764431 + ... + 765796.

It is an arithmetic number, because the mean of its divisors is an integer number (261668988).

Almost surely, 21045145041 is an apocalyptic number.

It is an amenable number.

1045145041 is a deficient number, since it is larger than the sum of its proper divisors (1530911).

1045145041 is an equidigital number, since it uses as much as digits as its factorization.

1045145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530910.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1045145041 is about 32328.7030516227. The cubic root of 1045145041 is about 1014.8274083496.

The spelling of 1045145041 in words is "one billion, forty-five million, one hundred forty-five thousand, forty-one".

Divisors: 1 683 1530227 1045145041