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319466913 = 3106488971
BaseRepresentation
bin10011000010101…
…010110110100001
3211021010121012220
4103002222312201
51123240420123
651411141253
710626265263
oct2302526641
9737117186
10319466913
11154370247
128aba4829
135125569c
14305ddb33
151d0a6ce3
hex130aada1

319466913 has 4 divisors (see below), whose sum is σ = 425955888. Its totient is φ = 212977940.

The previous prime is 319466891. The next prime is 319466947. The reversal of 319466913 is 319664913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 319664913 = 3106554971.

It is a cyclic number.

It is not a de Polignac number, because 319466913 - 222 = 315272609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (319466993) 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 3 ways as a sum of consecutive naturals, for example, 53244483 + ... + 53244488.

It is an arithmetic number, because the mean of its divisors is an integer number (106488972).

Almost surely, 2319466913 is an apocalyptic number.

It is an amenable number.

319466913 is a deficient number, since it is larger than the sum of its proper divisors (106488975).

319466913 is a wasteful number, since it uses less digits than its factorization.

319466913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106488974.

The product of its digits is 104976, while the sum is 42.

The square root of 319466913 is about 17873.6373746364. The cubic root of 319466913 is about 683.6103484173.

It can be divided in two parts, 3194 and 66913, that added together give a palindrome (70107).

The spelling of 319466913 in words is "three hundred nineteen million, four hundred sixty-six thousand, nine hundred thirteen".

Divisors: 1 3 106488971 319466913