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104440311 = 3283139813
BaseRepresentation
bin1100011100110…
…10000111110111
321021112010011200
412032122013313
5203214042221
614210303543
72405504463
oct616320767
9237463150
10104440311
1153a54608
122ab87bb3
1318839901
14dc294a3
159280426
hex639a1f7

104440311 has 12 divisors (see below), whose sum is σ = 152676888. Its totient is φ = 68787504.

The previous prime is 104440289. The next prime is 104440313. The reversal of 104440311 is 113044401.

It is not a de Polignac number, because 104440311 - 25 = 104440279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104440313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69160 + ... + 70653.

It is an arithmetic number, because the mean of its divisors is an integer number (12723074).

Almost surely, 2104440311 is an apocalyptic number.

104440311 is a deficient number, since it is larger than the sum of its proper divisors (48236577).

104440311 is a wasteful number, since it uses less digits than its factorization.

104440311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139902 (or 139899 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104440311 is about 10219.6042486977. The cubic root of 104440311 is about 470.9296688634.

Adding to 104440311 its reverse (113044401), we get a palindrome (217484712).

The spelling of 104440311 in words is "one hundred four million, four hundred forty thousand, three hundred eleven".

Divisors: 1 3 9 83 249 747 139813 419439 1258317 11604479 34813437 104440311