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2133487 is a prime number
BaseRepresentation
bin1000001000110111101111
311000101121001
420020313233
51021232422
6113421131
724064036
oct10106757
94011531
102133487
111227a14
1286a7a7
13599125
143d771d
152c2227
hex208def

2133487 has 2 divisors, whose sum is σ = 2133488. Its totient is φ = 2133486.

The previous prime is 2133463. The next prime is 2133533. The reversal of 2133487 is 7843312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2133487 - 215 = 2100719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066743 + 1066744.

It is an arithmetic number, because the mean of its divisors is an integer number (1066744).

22133487 is an apocalyptic number.

2133487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133487 is an equidigital number, since it uses as much as digits as its factorization.

2133487 is an evil number, because the sum of its binary digits is even.

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

The square root of 2133487 is about 1460.6460899205. The cubic root of 2133487 is about 128.7350087802.

Adding to 2133487 its reverse (7843312), we get a palindrome (9976799).

The spelling of 2133487 in words is "two million, one hundred thirty-three thousand, four hundred eighty-seven".