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319271040 = 27325115039
BaseRepresentation
bin10011000001111…
…011000010000000
3211020202122112100
4103001323002000
51123213133130
651403030400
710624521234
oct2301730200
9736678470
10319271040
11154247070
128ab0b400
13511b749a
143058c5c4
151d068c60
hex1307b080

319271040 has 192 divisors, whose sum is σ = 1202947200. Its totient is φ = 77383680.

The previous prime is 319271009. The next prime is 319271053. The reversal of 319271040 is 40172913.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 319270995 and 319271013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60841 + ... + 65879.

It is an arithmetic number, because the mean of its divisors is an integer number (6265350).

Almost surely, 2319271040 is an apocalyptic number.

319271040 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 319271040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601473600).

319271040 is an abundant number, since it is smaller than the sum of its proper divisors (883676160).

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

319271040 is a wasteful number, since it uses less digits than its factorization.

319271040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075 (or 5060 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 319271040 is about 17868.1571517602. The cubic root of 319271040 is about 683.4706070966.

The spelling of 319271040 in words is "three hundred nineteen million, two hundred seventy-one thousand, forty".