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210142343 = 4127118913
BaseRepresentation
bin11001000011010…
…00010010000111
3112122102100002202
430201220102013
5412244023333
632504025115
75131115615
oct1441502207
9478370082
10210142343
11a8690064
125a46219b
13346c88a8
141dca26b5
15136ae5e8
hexc868487

210142343 has 8 divisors (see below), whose sum is σ = 216073536. Its totient is φ = 204249600.

The previous prime is 210142319. The next prime is 210142349. The reversal of 210142343 is 343241012.

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 210142343 - 210 = 210141319 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 (210142349) 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 in 7 ways as a sum of consecutive naturals, for example, 1655 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (27009192).

Almost surely, 2210142343 is an apocalyptic number.

210142343 is a deficient number, since it is larger than the sum of its proper divisors (5931193).

210142343 is a wasteful number, since it uses less digits than its factorization.

210142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 210142343 is about 14496.2872143180. The cubic root of 210142343 is about 594.5264626717.

Adding to 210142343 its reverse (343241012), we get a palindrome (553383355).

It can be divided in two parts, 2101 and 42343, that added together give a palindrome (44444).

The spelling of 210142343 in words is "two hundred ten million, one hundred forty-two thousand, three hundred forty-three".

Divisors: 1 41 271 11111 18913 775433 5125423 210142343