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253082841 = 3117669177
BaseRepresentation
bin11110001010110…
…11110011011001
3122122012221101120
433011123303121
51004242122331
641040235453
76162111564
oct1705336331
9578187346
10253082841
1111a949980
127090bb89
134058197b
142587d4db
1517342796
hexf15bcd9

253082841 has 8 divisors (see below), whose sum is σ = 368120544. Its totient is φ = 153383520.

The previous prime is 253082813. The next prime is 253082861. The reversal of 253082841 is 148280352.

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

It is not a de Polignac number, because 253082841 - 218 = 252820697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7669177 = 253082841 / (2 + 5 + 3 + 0 + 8 + 2 + 8 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (253082861) 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, 3834556 + ... + 3834621.

It is an arithmetic number, because the mean of its divisors is an integer number (46015068).

Almost surely, 2253082841 is an apocalyptic number.

It is an amenable number.

253082841 is a deficient number, since it is larger than the sum of its proper divisors (115037703).

253082841 is a wasteful number, since it uses less digits than its factorization.

253082841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669191.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 253082841 is about 15908.5775919785. The cubic root of 253082841 is about 632.5393777397.

The spelling of 253082841 in words is "two hundred fifty-three million, eighty-two thousand, eight hundred forty-one".

Divisors: 1 3 11 33 7669177 23007531 84360947 253082841