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240052161 = 3259330859
BaseRepresentation
bin11100100111011…
…10011111000001
3121201200220122210
432103232133001
5442423132121
635453052333
75643260346
oct1623563701
9551626583
10240052161
11113559818
12684870a9
133a96b7cb
1423c4a7cd
151611b876
hexe4ee7c1

240052161 has 8 divisors (see below), whose sum is σ = 320203360. Its totient is φ = 159967872.

The previous prime is 240052159. The next prime is 240052193. The reversal of 240052161 is 161250042.

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

It is not a de Polignac number, because 240052161 - 21 = 240052159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240052151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651 + ... + 23208.

It is an arithmetic number, because the mean of its divisors is an integer number (40025420).

Almost surely, 2240052161 is an apocalyptic number.

It is an amenable number.

240052161 is a deficient number, since it is larger than the sum of its proper divisors (80151199).

240052161 is a wasteful number, since it uses less digits than its factorization.

240052161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33455.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 240052161 is about 15493.6167824043. The cubic root of 240052161 is about 621.4915191392.

The spelling of 240052161 in words is "two hundred forty million, fifty-two thousand, one hundred sixty-one".

Divisors: 1 3 2593 7779 30859 92577 80017387 240052161