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540313161 = 3180104387
BaseRepresentation
bin100000001101001…
…000011001001001
31101122200202022120
4200031020121021
52101310010121
6125340441453
716250405013
oct4015103111
91348622276
10540313161
11257aa1303
12130b49289
1387c2b33b
1451a8b1b3
153267cbc6
hex20348649

540313161 has 4 divisors (see below), whose sum is σ = 720417552. Its totient is φ = 360208772.

The previous prime is 540313157. The next prime is 540313243. The reversal of 540313161 is 161313045.

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.

It is a cyclic number.

It is not a de Polignac number, because 540313161 - 22 = 540313157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540313061) 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, 90052191 + ... + 90052196.

It is an arithmetic number, because the mean of its divisors is an integer number (180104388).

Almost surely, 2540313161 is an apocalyptic number.

It is an amenable number.

540313161 is a deficient number, since it is larger than the sum of its proper divisors (180104391).

540313161 is a wasteful number, since it uses less digits than its factorization.

540313161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180104390.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 540313161 is about 23244.6372524933. The cubic root of 540313161 is about 814.4826711758.

The spelling of 540313161 in words is "five hundred forty million, three hundred thirteen thousand, one hundred sixty-one".

Divisors: 1 3 180104387 540313161