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245160089 = 713452959
BaseRepresentation
bin11101001110011…
…01100010011001
3122002022102102022
432213031202121
51000230110324
640154344225
76034553306
oct1647154231
9562272368
10245160089
11116428449
126a12b075
133ba39755
14247ba0ad
15167ca05e
hexe9cd899

245160089 has 4 divisors (see below), whose sum is σ = 248613120. Its totient is φ = 241707060.

The previous prime is 245160079. The next prime is 245160109. The reversal of 245160089 is 980061542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980061542 = 2490030771.

It is a cyclic number.

It is not a de Polignac number, because 245160089 - 24 = 245160073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245160049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726409 + ... + 1726550.

It is an arithmetic number, because the mean of its divisors is an integer number (62153280).

Almost surely, 2245160089 is an apocalyptic number.

It is an amenable number.

245160089 is a deficient number, since it is larger than the sum of its proper divisors (3453031).

245160089 is an equidigital number, since it uses as much as digits as its factorization.

245160089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453030.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 245160089 is about 15657.5888629125. The cubic root of 245160089 is about 625.8687345344.

The spelling of 245160089 in words is "two hundred forty-five million, one hundred sixty thousand, eighty-nine".

Divisors: 1 71 3452959 245160089