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319042080 = 253257311021
BaseRepresentation
bin10011000001000…
…011001000100000
3211020100000110100
4103001003020200
51123133321310
651354102400
710622545560
oct2301031040
9736300410
10319042080
11154100045
128aa1aa00
13511371c6
143052cda0
151d020ec0
hex13043220

319042080 has 288 divisors, whose sum is σ = 1285659648. Its totient is φ = 70502400.

The previous prime is 319042057. The next prime is 319042093. The reversal of 319042080 is 80240913.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311970 + ... + 312990.

It is an arithmetic number, because the mean of its divisors is an integer number (4464096).

Almost surely, 2319042080 is an apocalyptic number.

319042080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319042080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642829824).

319042080 is an abundant number, since it is smaller than the sum of its proper divisors (966617568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319042080 is a wasteful number, since it uses less digits than its factorization.

319042080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 319042080 is about 17861.7490744888. The cubic root of 319042080 is about 683.3071881067.

Adding to 319042080 its reverse (80240913), we get a palindrome (399282993).

The spelling of 319042080 in words is "three hundred nineteen million, forty-two thousand, eighty".