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253051041 = 3107788321
BaseRepresentation
bin11110001010101…
…00000010100001
3122122011022202210
433011110002201
51004240113131
641035432333
76161620065
oct1705240241
9578138683
10253051041
1111a927aa1
12708b56a9
1340570359
1425871aa5
1517338146
hexf1540a1

253051041 has 8 divisors (see below), whose sum is σ = 340555104. Its totient is φ = 167123840.

The previous prime is 253051039. The next prime is 253051067. The reversal of 253051041 is 140150352.

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 253051041 - 21 = 253051039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253050999 and 253051017.

It is not an unprimeable number, because it can be changed into a prime (253051081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393840 + ... + 394481.

It is an arithmetic number, because the mean of its divisors is an integer number (42569388).

Almost surely, 2253051041 is an apocalyptic number.

It is an amenable number.

253051041 is a deficient number, since it is larger than the sum of its proper divisors (87504063).

253051041 is a wasteful number, since it uses less digits than its factorization.

253051041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788431.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 253051041 is about 15907.5780997611. The cubic root of 253051041 is about 632.5128836549.

The spelling of 253051041 in words is "two hundred fifty-three million, fifty-one thousand, forty-one".

Divisors: 1 3 107 321 788321 2364963 84350347 253051041