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259085380 = 22512954269
BaseRepresentation
bin11110111000101…
…01010001000100
3200001111220022211
433130111101010
51012311213010
641413033204
76264121651
oct1734252104
9601456284
10259085380
11123279754
1272925804
13418a3b78
14265a2c28
1517b2b08a
hexf715444

259085380 has 12 divisors (see below), whose sum is σ = 544079340. Its totient is φ = 103634144.

The previous prime is 259085377. The next prime is 259085401. The reversal of 259085380 is 83580952.

259085380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118330884 + 140754496 = 10878^2 + 11864^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 6477115 + ... + 6477154.

It is an arithmetic number, because the mean of its divisors is an integer number (45339945).

Almost surely, 2259085380 is an apocalyptic number.

259085380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259085380 is an abundant number, since it is smaller than the sum of its proper divisors (284993960).

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

259085380 is a wasteful number, since it uses less digits than its factorization.

259085380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954278 (or 12954276 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 259085380 is about 16096.1293483868. The cubic root of 259085380 is about 637.5011446859.

The spelling of 259085380 in words is "two hundred fifty-nine million, eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 12954269 25908538 51817076 64771345 129542690 259085380