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254328053 = 7191912241
BaseRepresentation
bin11110010100010…
…11110011110101
3122201120012111112
433022023303311
51010101444203
641123044405
76205516130
oct1712136365
9581505445
10254328053
1112061a481
1271210705
13408c9695
1425ac5217
15174db6d8
hexf28bcf5

254328053 has 8 divisors (see below), whose sum is σ = 305958720. Its totient is φ = 206521920.

The previous prime is 254327993. The next prime is 254328073. The reversal of 254328053 is 350823452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254328053 - 26 = 254327989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254328073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955988 + ... + 956253.

It is an arithmetic number, because the mean of its divisors is an integer number (38244840).

Almost surely, 2254328053 is an apocalyptic number.

It is an amenable number.

254328053 is a deficient number, since it is larger than the sum of its proper divisors (51630667).

254328053 is a wasteful number, since it uses less digits than its factorization.

254328053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912267.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 254328053 is about 15947.6660674846. Note that the first 3 decimals coincide. The cubic root of 254328053 is about 633.5750825641.

The spelling of 254328053 in words is "two hundred fifty-four million, three hundred twenty-eight thousand, fifty-three".

Divisors: 1 7 19 133 1912241 13385687 36332579 254328053