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210006053 = 2298211117
BaseRepresentation
bin11001000010001…
…11000000100101
3112122011102010222
430201013000211
5412230143203
632501054125
75130010355
oct1441070045
9478142128
10210006053
11a85a7724
125a3b7345
133467b84a
141dc68b65
1513684038
hexc847025

210006053 has 8 divisors (see below), whose sum is σ = 211369080. Its totient is φ = 208647360.

The previous prime is 210006037. The next prime is 210006079. The reversal of 210006053 is 350600012.

It can be written as a sum of positive squares in 4 ways, for example, as 12687844 + 197318209 = 3562^2 + 14047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210006053 - 24 = 210006037 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 (210009053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187451 + ... + 188567.

It is an arithmetic number, because the mean of its divisors is an integer number (26421135).

Almost surely, 2210006053 is an apocalyptic number.

It is an amenable number.

210006053 is a deficient number, since it is larger than the sum of its proper divisors (1363027).

210006053 is a wasteful number, since it uses less digits than its factorization.

210006053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 210006053 is about 14491.5855930260. The cubic root of 210006053 is about 594.3979061039.

Adding to 210006053 its reverse (350600012), we get a palindrome (560606065).

The spelling of 210006053 in words is "two hundred ten million, six thousand, fifty-three".

Divisors: 1 229 821 1117 188009 255793 917057 210006053