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254540000 = 2554111389
BaseRepresentation
bin11110010101111…
…11100011100000
3122201221222020102
433022333203200
51010130240000
641131401532
76210361061
oct1712774340
9581858212
10254540000
11120754740
12712b32a8
1340971cb0
1425b3c568
151752e3d5
hexf2bf8e0

254540000 has 240 divisors, whose sum is σ = 743949360. Its totient is φ = 84480000.

The previous prime is 254539951. The next prime is 254540003. The reversal of 254540000 is 45452.

It is a happy number.

It is a super-2 number, since 2×2545400002 = 129581223200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254540003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2859956 + ... + 2860044.

It is an arithmetic number, because the mean of its divisors is an integer number (3099789).

Almost surely, 2254540000 is an apocalyptic number.

254540000 is a gapful number since it is divisible by the number (20) 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 254540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371974680).

254540000 is an abundant number, since it is smaller than the sum of its proper divisors (489409360).

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

254540000 is a wasteful number, since it uses less digits than its factorization.

254540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 254540000 is about 15954.3097625689. The cubic root of 254540000 is about 633.7510325511.

Adding to 254540000 its reverse (45452), we get a palindrome (254585452).

The spelling of 254540000 in words is "two hundred fifty-four million, five hundred forty thousand".