Search a number
-
+
253006055 = 550601211
BaseRepresentation
bin11110001010010…
…01000011100111
3122122002001001122
433011021003213
51004232143210
641034444155
76161341661
oct1705110347
9578061048
10253006055
1111a8a7215
127089365b
1340555a33
142585d531
1517329b55
hexf1490e7

253006055 has 4 divisors (see below), whose sum is σ = 303607272. Its totient is φ = 202404840.

The previous prime is 253006021. The next prime is 253006057. The reversal of 253006055 is 550600352.

253006055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 253006055 - 28 = 253005799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253006057) 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, 25300601 + ... + 25300610.

It is an arithmetic number, because the mean of its divisors is an integer number (75901818).

Almost surely, 2253006055 is an apocalyptic number.

253006055 is a deficient number, since it is larger than the sum of its proper divisors (50601217).

253006055 is an equidigital number, since it uses as much as digits as its factorization.

253006055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601216.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 253006055 is about 15906.1640567423. The cubic root of 253006055 is about 632.4753998983.

The spelling of 253006055 in words is "two hundred fifty-three million, six thousand, fifty-five".

Divisors: 1 5 50601211 253006055