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2687053 = 2992657
BaseRepresentation
bin1010010000000001001101
312001111221111
422100001031
51141441203
6133332021
731560655
oct12200115
95044844
102687053
111575906
12a97011
13731095
144dd365
1538126d
hex29004d

2687053 has 4 divisors (see below), whose sum is σ = 2779740. Its totient is φ = 2594368.

The previous prime is 2687039. The next prime is 2687059. The reversal of 2687053 is 3507862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3507862 = 21753931.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 896809 = 1338^2 + 947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2687053 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 (2687059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46300 + ... + 46357.

It is an arithmetic number, because the mean of its divisors is an integer number (694935).

22687053 is an apocalyptic number.

It is an amenable number.

2687053 is a deficient number, since it is larger than the sum of its proper divisors (92687).

2687053 is an equidigital number, since it uses as much as digits as its factorization.

2687053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92686.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2687053 is about 1639.2232916842. The cubic root of 2687053 is about 139.0247355183.

The spelling of 2687053 in words is "two million, six hundred eighty-seven thousand, fifty-three".

Divisors: 1 29 92657 2687053