Search a number
-
+
254108480 = 265794089
BaseRepresentation
bin11110010010101…
…10001101000000
3122201011001022012
433021112031000
51010022432410
641114232052
76203613023
oct1711261500
9581131265
10254108480
1112048a50a
1271125628
1340850762
1425a691ba
1517496605
hexf256340

254108480 has 28 divisors (see below), whose sum is σ = 605096580. Its totient is φ = 101643264.

The previous prime is 254108479. The next prime is 254108483. The reversal of 254108480 is 84801452.

It is a happy number.

254108480 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 173396224 + 80712256 = 13168^2 + 8984^2 .

It is a super-2 number, since 2×2541084802 = 129142239215820800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254108483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396725 + ... + 397364.

Almost surely, 2254108480 is an apocalyptic number.

254108480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254108480 is an abundant number, since it is smaller than the sum of its proper divisors (350988100).

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

254108480 is an equidigital number, since it uses as much as digits as its factorization.

254108480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794106 (or 794096 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 254108480 is about 15940.7804074957. The cubic root of 254108480 is about 633.3926986519.

The spelling of 254108480 in words is "two hundred fifty-four million, one hundred eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 794089 1588178 3176356 3970445 6352712 7940890 12705424 15881780 25410848 31763560 50821696 63527120 127054240 254108480