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210055343 = 239794153
BaseRepresentation
bin11001000010100…
…11000010101111
3112122020220202112
430201103002233
5412233232333
632502114235
75130304151
oct1441230257
9478226675
10210055343
11a8630763
125a41b97b
1334698104
141dc7cad1
1513693948
hexc8530af

210055343 has 8 divisors (see below), whose sum is σ = 221450208. Its totient is φ = 198849024.

The previous prime is 210055331. The next prime is 210055357. The reversal of 210055343 is 343550012.

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 210055343 - 210 = 210054319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210055303) 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 7 ways as a sum of consecutive naturals, for example, 44846 + ... + 49307.

It is an arithmetic number, because the mean of its divisors is an integer number (27681276).

Almost surely, 2210055343 is an apocalyptic number.

210055343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210055343 is a deficient number, since it is larger than the sum of its proper divisors (11394865).

210055343 is an equidigital number, since it uses as much as digits as its factorization.

210055343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94273.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 210055343 is about 14493.2861353111. The cubic root of 210055343 is about 594.4444056858. Note that the first 4 decimals are identical.

The spelling of 210055343 in words is "two hundred ten million, fifty-five thousand, three hundred forty-three".

Divisors: 1 23 97 2231 94153 2165519 9132841 210055343