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3874231 is a prime number
BaseRepresentation
bin1110110001110110110111
321021211110001
432301312313
51442433411
6215012131
744634064
oct16616667
97254401
103874231
112206849
12136a047
13a5855a
1472bc6b
15517dc1
hex3b1db7

3874231 has 2 divisors, whose sum is σ = 3874232. Its totient is φ = 3874230.

The previous prime is 3874229. The next prime is 3874237. The reversal of 3874231 is 1324783.

It is a weak prime.

It is an emirp because it is prime and its reverse (1324783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3874231 - 21 = 3874229 is a prime.

It is a super-2 number, since 2×38742312 = 30019331682722, which contains 22 as substring.

Together with 3874229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3874231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3874237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937115 + 1937116.

It is an arithmetic number, because the mean of its divisors is an integer number (1937116).

Almost surely, 23874231 is an apocalyptic number.

3874231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874231 is an equidigital number, since it uses as much as digits as its factorization.

3874231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 3874231 is about 1968.3066326160. The cubic root of 3874231 is about 157.0586417312.

The spelling of 3874231 in words is "three million, eight hundred seventy-four thousand, two hundred thirty-one".