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210135008 = 257192489
BaseRepresentation
bin11001000011001…
…10011111100000
3112122101222001002
430201212133200
5412243310013
632503531132
75131055336
oct1441463740
9478358032
10210135008
11a86855a6
125a459aa8
13346c5455
141dc9db56
15136ac358
hexc8667e0

210135008 has 24 divisors (see below), whose sum is σ = 419534640. Its totient is φ = 103586560.

The previous prime is 210135007. The next prime is 210135043. The reversal of 210135008 is 800531012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210135007) 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, 43973 + ... + 48516.

It is an arithmetic number, because the mean of its divisors is an integer number (17480610).

Almost surely, 2210135008 is an apocalyptic number.

It is an amenable number.

210135008 is a deficient number, since it is larger than the sum of its proper divisors (209399632).

210135008 is an equidigital number, since it uses as much as digits as its factorization.

210135008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92570 (or 92562 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 210135008 is about 14496.0342162952. The cubic root of 210135008 is about 594.5195452933.

The spelling of 210135008 in words is "two hundred ten million, one hundred thirty-five thousand, eight".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 2272 92489 184978 369956 739912 1479824 2959648 6566719 13133438 26266876 52533752 105067504 210135008