Search a number
-
+
254316340 = 22512715817
BaseRepresentation
bin11110010100010…
…00111100110100
3122201112121102201
433022020330310
51010101110330
641122514244
76205440025
oct1712107464
9581477381
10254316340
111206116a3
1271205984
13408c4255
1425ac0c4c
15174d7eca
hexf288f34

254316340 has 12 divisors (see below), whose sum is σ = 534064356. Its totient is φ = 101726528.

The previous prime is 254316301. The next prime is 254316383. The reversal of 254316340 is 43613452.

254316340 is digitally balanced in base 2, 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 174821284 + 79495056 = 13222^2 + 8916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254316299 and 254316308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6357889 + ... + 6357928.

It is an arithmetic number, because the mean of its divisors is an integer number (44505363).

Almost surely, 2254316340 is an apocalyptic number.

254316340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254316340 is an abundant number, since it is smaller than the sum of its proper divisors (279748016).

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

254316340 is a wasteful number, since it uses less digits than its factorization.

254316340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715826 (or 12715824 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 254316340 is about 15947.2988308365. The cubic root of 254316340 is about 633.5653560465.

Adding to 254316340 its reverse (43613452), we get a palindrome (297929792).

The spelling of 254316340 in words is "two hundred fifty-four million, three hundred sixteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 12715817 25431634 50863268 63579085 127158170 254316340