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1004311423 = 7191396817
BaseRepresentation
bin111011110111001…
…001001101111111
32120222210022021101
4323313021031333
54024100431143
6243353513531
733613335433
oct7367111577
92528708241
101004311423
114759a9045
122404128a7
131300b971b
14975509c3
155d283b4d
hex3bdc937f

1004311423 has 4 divisors (see below), whose sum is σ = 1005708960. Its totient is φ = 1002913888.

The previous prime is 1004311403. The next prime is 1004311439. The reversal of 1004311423 is 3241134001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004311423 - 25 = 1004311391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004311423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004311403) 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, 697690 + ... + 699127.

It is an arithmetic number, because the mean of its divisors is an integer number (251427240).

Almost surely, 21004311423 is an apocalyptic number.

1004311423 is a deficient number, since it is larger than the sum of its proper divisors (1397537).

1004311423 is an equidigital number, since it uses as much as digits as its factorization.

1004311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397536.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1004311423 is about 31690.8728658584. The cubic root of 1004311423 is about 1001.4350805586.

Adding to 1004311423 its reverse (3241134001), we get a palindrome (4245445424).

The spelling of 1004311423 in words is "one billion, four million, three hundred eleven thousand, four hundred twenty-three".

Divisors: 1 719 1396817 1004311423