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1045313423 = 7311277051
BaseRepresentation
bin111110010011100…
…011011110001111
32200211221102102222
4332103203132033
54120100012143
6251420405555
734622006000
oct7623433617
92624842388
101045313423
114970634a0
122520a68bb
1313874436b
149cb851a7
1561b82768
hex3e4e378f

1045313423 has 16 divisors (see below), whose sum is σ = 1329849600. Its totient is φ = 814527000.

The previous prime is 1045313413. The next prime is 1045313447. The reversal of 1045313423 is 3243135401.

It is not a de Polignac number, because 1045313423 - 210 = 1045312399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045313392 and 1045313401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045313413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134753 + ... + 142298.

It is an arithmetic number, because the mean of its divisors is an integer number (83115600).

Almost surely, 21045313423 is an apocalyptic number.

1045313423 is a deficient number, since it is larger than the sum of its proper divisors (284536177).

1045313423 is an equidigital number, since it uses as much as digits as its factorization.

1045313423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277083 (or 277069 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1045313423 is about 32331.3071650374. The cubic root of 1045313423 is about 1014.8819046113.

Adding to 1045313423 its reverse (3243135401), we get a palindrome (4288448824).

The spelling of 1045313423 in words is "one billion, forty-five million, three hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 7 11 49 77 343 539 3773 277051 1939357 3047561 13575499 21332927 95028493 149330489 1045313423