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4068231 = 31356077
BaseRepresentation
bin1111100001001110000111
321122200120020
433201032013
52020140411
6223110223
746402506
oct17411607
97580506
104068231
112329582
121442373
13ac594b
1477c83d
15555606
hex3e1387

4068231 has 4 divisors (see below), whose sum is σ = 5424312. Its totient is φ = 2712152.

The previous prime is 4068221. The next prime is 4068241. The reversal of 4068231 is 1328604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4068221) and next prime (4068241).

It is a cyclic number.

It is not a de Polignac number, because 4068231 - 210 = 4067207 is a prime.

It is a super-2 number, since 2×40682312 = 33101006938722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068221) 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, 678036 + ... + 678041.

It is an arithmetic number, because the mean of its divisors is an integer number (1356078).

Almost surely, 24068231 is an apocalyptic number.

4068231 is a deficient number, since it is larger than the sum of its proper divisors (1356081).

4068231 is a wasteful number, since it uses less digits than its factorization.

4068231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356080.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4068231 is about 2016.9856221600. The cubic root of 4068231 is about 159.6376042823.

The spelling of 4068231 in words is "four million, sixty-eight thousand, two hundred thirty-one".

Divisors: 1 3 1356077 4068231