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319480886 = 2159740443
BaseRepresentation
bin10011000010101…
…110010000110110
3211021011022101102
4103002232100312
51123241342021
651411330102
710626354104
oct2302562066
9737138342
10319480886
1115437a79a
128abb0932
135125bb5a
1430604c74
151d0ab00b
hex130ae436

319480886 has 4 divisors (see below), whose sum is σ = 479221332. Its totient is φ = 159740442.

The previous prime is 319480859. The next prime is 319480891. The reversal of 319480886 is 688084913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688084913 = 1942735419.

It is a self number, because there is not a number n which added to its sum of digits gives 319480886.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 79870220 + ... + 79870223.

It is an arithmetic number, because the mean of its divisors is an integer number (119805333).

Almost surely, 2319480886 is an apocalyptic number.

319480886 is a deficient number, since it is larger than the sum of its proper divisors (159740446).

319480886 is a wasteful number, since it uses less digits than its factorization.

319480886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159740445.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 319480886 is about 17874.0282533065. The cubic root of 319480886 is about 683.6203149665.

The spelling of 319480886 in words is "three hundred nineteen million, four hundred eighty thousand, eight hundred eighty-six".

Divisors: 1 2 159740443 319480886