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245575201 = 1271933663
BaseRepresentation
bin11101010001100…
…10111000100001
3122010002111211211
432220302320201
51000331401301
640211310121
76041232454
oct1650627041
9563074754
10245575201
11116691313
126a2ab341
133bb53691
142488749b
151685d051
hexea32e21

245575201 has 4 divisors (see below), whose sum is σ = 247508992. Its totient is φ = 243641412.

The previous prime is 245575111. The next prime is 245575223. The reversal of 245575201 is 102575542.

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: 102575542 = 251287771.

It is a cyclic number.

It is not a de Polignac number, because 245575201 - 27 = 245575073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245575261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966705 + ... + 966958.

It is an arithmetic number, because the mean of its divisors is an integer number (61877248).

Almost surely, 2245575201 is an apocalyptic number.

It is an amenable number.

245575201 is a deficient number, since it is larger than the sum of its proper divisors (1933791).

245575201 is a wasteful number, since it uses less digits than its factorization.

245575201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933790.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 245575201 is about 15670.8391925895. The cubic root of 245575201 is about 626.2217815634.

The spelling of 245575201 in words is "two hundred forty-five million, five hundred seventy-five thousand, two hundred one".

Divisors: 1 127 1933663 245575201