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319306 = 21312281
BaseRepresentation
bin1001101111101001010
3121020000011
41031331022
540204211
610502134
72466631
oct1157512
9536004
10319306
111a8999
1213494a
13b2450
1484518
1564921
hex4df4a

319306 has 8 divisors (see below), whose sum is σ = 515844. Its totient is φ = 147360.

The previous prime is 319289. The next prime is 319313. The reversal of 319306 is 603913.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 81 = 565^2 + 9^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115 + ... + 6166.

2319306 is an apocalyptic number.

319306 is a deficient number, since it is larger than the sum of its proper divisors (196538).

319306 is a wasteful number, since it uses less digits than its factorization.

319306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 319306 is about 565.0716768694. The cubic root of 319306 is about 68.3495552736.

It can be divided in two parts, 319 and 306, that added together give a 4-th power (625 = 54).

The spelling of 319306 in words is "three hundred nineteen thousand, three hundred six".

Divisors: 1 2 13 26 12281 24562 159653 319306