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319001617 = 11217155081
BaseRepresentation
bin10011000000111…
…001010000010001
3211020020221221201
4103000321100101
51123131022432
651353151201
710622316604
oct2300712021
9736227851
10319001617
11154082700
128a9bb501
135112196c
143051c33b
151d013ee7
hex13039411

319001617 has 12 divisors (see below), whose sum is σ = 371266308. Its totient is φ = 272940800.

The previous prime is 319001603. The next prime is 319001671. The reversal of 319001617 is 716100913.

It can be written as a sum of positive squares in 2 ways, for example, as 128119761 + 190881856 = 11319^2 + 13816^2 .

It is not a de Polignac number, because 319001617 - 27 = 319001489 is a prime.

It is a super-2 number, since 2×3190016172 = 203524063297229378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319001677) 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, 75484 + ... + 79597.

It is an arithmetic number, because the mean of its divisors is an integer number (30938859).

Almost surely, 2319001617 is an apocalyptic number.

It is an amenable number.

319001617 is a deficient number, since it is larger than the sum of its proper divisors (52264691).

319001617 is a wasteful number, since it uses less digits than its factorization.

319001617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155120 (or 155109 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 319001617 is about 17860.6163667439. The cubic root of 319001617 is about 683.2782997255.

The spelling of 319001617 in words is "three hundred nineteen million, one thousand, six hundred seventeen".

Divisors: 1 11 17 121 187 2057 155081 1705891 2636377 18764801 29000147 319001617