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4040231 = 131671861
BaseRepresentation
bin1111011010011000100111
321121021011012
433122120213
52013241411
6222332435
746225046
oct17323047
97537135
104040231
11230a538
12142a11b
13ab5c90
1477255d
1554c18b
hex3da627

4040231 has 8 divisors (see below), whose sum is σ = 4379424. Its totient is φ = 3705120.

The previous prime is 4040227. The next prime is 4040233. The reversal of 4040231 is 1320404.

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

It is a cyclic number.

It is not a de Polignac number, because 4040231 - 22 = 4040227 is a prime.

It is a super-2 number, since 2×40402312 = 32646933066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040233) 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 7 ways as a sum of consecutive naturals, for example, 1241 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (547428).

Almost surely, 24040231 is an apocalyptic number.

4040231 is a deficient number, since it is larger than the sum of its proper divisors (339193).

4040231 is a wasteful number, since it uses less digits than its factorization.

4040231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4040231 is about 2010.0325868005. The cubic root of 4040231 is about 159.2705203216.

Adding to 4040231 its reverse (1320404), we get a palindrome (5360635).

The spelling of 4040231 in words is "four million, forty thousand, two hundred thirty-one".

Divisors: 1 13 167 1861 2171 24193 310787 4040231