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241636385 = 5172842781
BaseRepresentation
bin11100110011100…
…01010000100001
3121211200101210202
432121301100201
5443324331020
635551034545
75662606154
oct1631612041
9554611722
10241636385
11114440aa1
1268b0ba55
133b0a4913
142413dc9b
1516330e75
hexe671421

241636385 has 8 divisors (see below), whose sum is σ = 307020456. Its totient is φ = 181937920.

The previous prime is 241636379. The next prime is 241636387. The reversal of 241636385 is 583636142.

It can be written as a sum of positive squares in 4 ways, for example, as 4999696 + 236636689 = 2236^2 + 15383^2 .

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

It is not a de Polignac number, because 241636385 - 212 = 241632289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241636387) 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, 1421306 + ... + 1421475.

It is an arithmetic number, because the mean of its divisors is an integer number (38377557).

Almost surely, 2241636385 is an apocalyptic number.

It is an amenable number.

241636385 is a deficient number, since it is larger than the sum of its proper divisors (65384071).

241636385 is a wasteful number, since it uses less digits than its factorization.

241636385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842803.

The product of its digits is 103680, while the sum is 38.

The square root of 241636385 is about 15544.6577640037. The cubic root of 241636385 is about 622.8557001116.

The spelling of 241636385 in words is "two hundred forty-one million, six hundred thirty-six thousand, three hundred eighty-five".

Divisors: 1 5 17 85 2842781 14213905 48327277 241636385