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319040913 = 3195597209
BaseRepresentation
bin10011000001000…
…010110110010001
3211020022221212010
4103001002312101
51123133302123
651354053133
710622542302
oct2301026621
9736287763
10319040913
111540aa184
128aa1a1a9
1351136809
143052c7a9
151d020993
hex13042d91

319040913 has 8 divisors (see below), whose sum is σ = 447776800. Its totient is φ = 201499488.

The previous prime is 319040903. The next prime is 319040927.

319040913 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 319040913 - 26 = 319040849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (319040903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2798548 + ... + 2798661.

It is an arithmetic number, because the mean of its divisors is an integer number (55972100).

Almost surely, 2319040913 is an apocalyptic number.

It is an amenable number.

319040913 is a deficient number, since it is larger than the sum of its proper divisors (128735887).

319040913 is a wasteful number, since it uses less digits than its factorization.

319040913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597231.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 319040913 is about 17861.7164068854. The cubic root of 319040913 is about 683.3063549664.

The spelling of 319040913 in words is "three hundred nineteen million, forty thousand, nine hundred thirteen".

Divisors: 1 3 19 57 5597209 16791627 106346971 319040913