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1040143478 = 21147279249
BaseRepresentation
bin111101111111110…
…101010001110110
32200111012202121112
4331333311101312
54112234042403
6251113515022
734530034163
oct7577652166
92614182545
101040143478
11494152210
12250412a72
1313765411a
149c1db06a
15614b09d8
hex3dff5476

1040143478 has 8 divisors (see below), whose sum is σ = 1702053000. Its totient is φ = 472792480.

The previous prime is 1040143463. The next prime is 1040143483. The reversal of 1040143478 is 8743410401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23639603 + ... + 23639646.

It is an arithmetic number, because the mean of its divisors is an integer number (212756625).

Almost surely, 21040143478 is an apocalyptic number.

1040143478 is a deficient number, since it is larger than the sum of its proper divisors (661909522).

1040143478 is a wasteful number, since it uses less digits than its factorization.

1040143478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47279262.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1040143478 is about 32251.2554484318. The cubic root of 1040143478 is about 1013.2059933716.

Adding to 1040143478 its reverse (8743410401), we get a palindrome (9783553879).

The spelling of 1040143478 in words is "one billion, forty million, one hundred forty-three thousand, four hundred seventy-eight".

Divisors: 1 2 11 22 47279249 94558498 520071739 1040143478