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104006287 = 7111350731
BaseRepresentation
bin1100011001100…
…00001010001111
321020201001210201
412030300022033
5203111200122
614153114331
72402016220
oct614601217
9236631721
10104006287
1153788510
122a9b89a7
13187171a8
14db55247
1591e6a27
hex633028f

104006287 has 8 divisors (see below), whose sum is σ = 129670272. Its totient is φ = 81043800.

The previous prime is 104006263. The next prime is 104006291. The reversal of 104006287 is 782600401.

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

It is a cyclic number.

It is not a de Polignac number, because 104006287 - 211 = 104004239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104006257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675289 + ... + 675442.

It is an arithmetic number, because the mean of its divisors is an integer number (16208784).

Almost surely, 2104006287 is an apocalyptic number.

104006287 is a deficient number, since it is larger than the sum of its proper divisors (25663985).

104006287 is a wasteful number, since it uses less digits than its factorization.

104006287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350749.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 104006287 is about 10198.3472680626. The cubic root of 104006287 is about 470.2764135335.

Adding to 104006287 its reverse (782600401), we get a palindrome (886606688).

The spelling of 104006287 in words is "one hundred four million, six thousand, two hundred eighty-seven".

Divisors: 1 7 11 77 1350731 9455117 14858041 104006287