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2154007 is a prime number
BaseRepresentation
bin1000001101111000010111
311001102202001
420031320113
51022412012
6114100131
724210622
oct10157027
94042661
102154007
111241379
1287a647
135a557b
14400db9
152c8357
hex20de17

2154007 has 2 divisors, whose sum is σ = 2154008. Its totient is φ = 2154006.

The previous prime is 2153993. The next prime is 2154013. The reversal of 2154007 is 7004512.

2154007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154007 - 215 = 2121239 is a prime.

2154007 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077003 + 1077004.

It is an arithmetic number, because the mean of its divisors is an integer number (1077004).

22154007 is an apocalyptic number.

2154007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154007 is an equidigital number, since it uses as much as digits as its factorization.

2154007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2154007 is about 1467.6535694775. The cubic root of 2154007 is about 129.1464194880.

Adding to 2154007 its reverse (7004512), we get a palindrome (9158519).

The spelling of 2154007 in words is "two million, one hundred fifty-four thousand, seven".