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255440053 = 11831272203
BaseRepresentation
bin11110011100110…
…11010010110101
3122210122200212201
433032123102311
51010343040203
641202544501
76221130121
oct1716332265
9583580781
10255440053
11121209990
1271668131
1340bc887b
1425cd4581
151765ae1d
hexf39b4b5

255440053 has 16 divisors (see below), whose sum is σ = 284368896. Its totient is φ = 227510640.

The previous prime is 255440041. The next prime is 255440069. The reversal of 255440053 is 350044552.

It is a cyclic number.

It is not a de Polignac number, because 255440053 - 213 = 255431861 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 (255440023) 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 15 ways as a sum of consecutive naturals, for example, 114850 + ... + 117052.

It is an arithmetic number, because the mean of its divisors is an integer number (17773056).

Almost surely, 2255440053 is an apocalyptic number.

It is an amenable number.

255440053 is a deficient number, since it is larger than the sum of its proper divisors (28928843).

255440053 is a wasteful number, since it uses less digits than its factorization.

255440053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 255440053 is about 15982.4920772701. The cubic root of 255440053 is about 634.4971346875.

The spelling of 255440053 in words is "two hundred fifty-five million, four hundred forty thousand, fifty-three".

Divisors: 1 11 83 127 913 1397 2203 10541 24233 115951 182849 279781 2011339 3077591 23221823 255440053