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2153087 = 5936493
BaseRepresentation
bin1000001101101001111111
311001101110222
420031221333
51022344322
6114051555
724205136
oct10155177
94041428
102153087
111240712
12879bbb
135a5021
1440091d
152c7e42
hex20da7f

2153087 has 4 divisors (see below), whose sum is σ = 2189640. Its totient is φ = 2116536.

The previous prime is 2153083. The next prime is 2153089. The reversal of 2153087 is 7803512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153087 - 22 = 2153083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18188 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (547410).

22153087 is an apocalyptic number.

2153087 is a deficient number, since it is larger than the sum of its proper divisors (36553).

2153087 is an equidigital number, since it uses as much as digits as its factorization.

2153087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36552.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2153087 is about 1467.3401105402. The cubic root of 2153087 is about 129.1280302525.

Adding to 2153087 its reverse (7803512), we get a palindrome (9956599).

The spelling of 2153087 in words is "two million, one hundred fifty-three thousand, eighty-seven".

Divisors: 1 59 36493 2153087