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253381117 = 11131175837
BaseRepresentation
bin11110001101001…
…00100111111101
3122122210002112211
433012210213331
51004331143432
641050500421
76164463313
oct1706444775
9578702484
10253381117
11120032a90
1270a34711
1340657672
142591a0b3
15173a0d47
hexf1a49fd

253381117 has 8 divisors (see below), whose sum is σ = 278527392. Its totient is φ = 228586800.

The previous prime is 253381111. The next prime is 253381127. The reversal of 253381117 is 711183352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253381117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253381111) 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, 86478 + ... + 89359.

It is an arithmetic number, because the mean of its divisors is an integer number (34815924).

Almost surely, 2253381117 is an apocalyptic number.

It is an amenable number.

253381117 is a deficient number, since it is larger than the sum of its proper divisors (25146275).

253381117 is a wasteful number, since it uses less digits than its factorization.

253381117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175979.

The product of its digits is 5040, while the sum is 31.

The square root of 253381117 is about 15917.9495224730. The cubic root of 253381117 is about 632.7877776212.

The spelling of 253381117 in words is "two hundred fifty-three million, three hundred eighty-one thousand, one hundred seventeen".

Divisors: 1 11 131 1441 175837 1934207 23034647 253381117