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4006231 is a prime number
BaseRepresentation
bin1111010010000101010111
321112112111221
433102011113
52011144411
6221511211
746023655
oct17220527
97475457
104006231
112296a39
121412507
13aa3668
14763dd5
15542071
hex3d2157

4006231 has 2 divisors, whose sum is σ = 4006232. Its totient is φ = 4006230.

The previous prime is 4006229. The next prime is 4006241. The reversal of 4006231 is 1326004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4006231 - 21 = 4006229 is a prime.

It is a super-2 number, since 2×40062312 = 32099773650722, which contains 22 as substring.

Together with 4006229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4006201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003115 + 2003116.

It is an arithmetic number, because the mean of its divisors is an integer number (2003116).

Almost surely, 24006231 is an apocalyptic number.

4006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006231 is an equidigital number, since it uses as much as digits as its factorization.

4006231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4006231 is about 2001.5571438258. The cubic root of 4006231 is about 158.8224882338.

The spelling of 4006231 in words is "four million, six thousand, two hundred thirty-one".