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252305301 = 3731152079
BaseRepresentation
bin11110000100111…
…01111110010101
3122120202102210210
433002131332111
51004042232201
641011440033
76152362653
oct1702357625
9576672723
10252305301
1111a468786
12705b6019
134036baa1
1425719dd3
151723c1d6
hexf09df95

252305301 has 8 divisors (see below), whose sum is σ = 341015680. Its totient is φ = 165899232.

The previous prime is 252305201. The next prime is 252305327. The reversal of 252305301 is 103503252.

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

It is not a de Polignac number, because 252305301 - 214 = 252288917 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 (252305341) 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, 575821 + ... + 576258.

It is an arithmetic number, because the mean of its divisors is an integer number (42626960).

Almost surely, 2252305301 is an apocalyptic number.

It is an amenable number.

252305301 is a deficient number, since it is larger than the sum of its proper divisors (88710379).

252305301 is a wasteful number, since it uses less digits than its factorization.

252305301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152155.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 252305301 is about 15884.1210332835. The cubic root of 252305301 is about 631.8909349864.

Adding to 252305301 its reverse (103503252), we get a palindrome (355808553).

The spelling of 252305301 in words is "two hundred fifty-two million, three hundred five thousand, three hundred one".

Divisors: 1 3 73 219 1152079 3456237 84101767 252305301