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310500117 = 3234500013
BaseRepresentation
bin10010100000011…
…101101100010101
3210122021001002100
4102200131230111
51113442000432
650451032313
710460131104
oct2240355425
9718231070
10310500117
1114a2a6374
1287b9b699
134c4361a5
142d34803b
151c3d507c
hex1281db15

310500117 has 6 divisors (see below), whose sum is σ = 448500182. Its totient is φ = 207000072.

The previous prime is 310500089. The next prime is 310500133. The reversal of 310500117 is 711005013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 177582276 + 132917841 = 13326^2 + 11529^2 .

It is not a de Polignac number, because 310500117 - 228 = 42064661 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 310500117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310500217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17249998 + ... + 17250015.

Almost surely, 2310500117 is an apocalyptic number.

It is an amenable number.

310500117 is a deficient number, since it is larger than the sum of its proper divisors (138000065).

310500117 is a wasteful number, since it uses less digits than its factorization.

310500117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34500019 (or 34500016 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 310500117 is about 17621.0135066063. The cubic root of 310500117 is about 677.1537003742.

The spelling of 310500117 in words is "three hundred ten million, five hundred thousand, one hundred seventeen".

Divisors: 1 3 9 34500013 103500039 310500117