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1004443407 = 321143235951
BaseRepresentation
bin111011110111101…
…001011100001111
32121000001000022200
4323313221130033
54024114142112
6243400412543
733614425302
oct7367513417
92530030280
101004443407
11475a89220
12240477153
13130134816
1497586b39
155d2accdc
hex3bde970f

1004443407 has 24 divisors (see below), whose sum is σ = 1619574528. Its totient is φ = 594594000.

The previous prime is 1004443399. The next prime is 1004443421. The reversal of 1004443407 is 7043444001.

It is not a de Polignac number, because 1004443407 - 23 = 1004443399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004443457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113719 + ... + 122232.

It is an arithmetic number, because the mean of its divisors is an integer number (67482272).

Almost surely, 21004443407 is an apocalyptic number.

1004443407 is a deficient number, since it is larger than the sum of its proper divisors (615131121).

1004443407 is a wasteful number, since it uses less digits than its factorization.

1004443407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236011 (or 236008 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1004443407 is about 31692.9551635691. The cubic root of 1004443407 is about 1001.4789473032.

Adding to 1004443407 its reverse (7043444001), we get a palindrome (8047887408).

The spelling of 1004443407 in words is "one billion, four million, four hundred forty-three thousand, four hundred seven".

Divisors: 1 3 9 11 33 43 99 129 387 473 1419 4257 235951 707853 2123559 2595461 7786383 10145893 23359149 30437679 91313037 111604823 334814469 1004443407