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210830258 = 2128382163
BaseRepresentation
bin11001001000100…
…00001110110010
3112200201021202002
430210100032302
5412433032013
632530454002
75140012322
oct1444201662
9480637662
10210830258
11a900a991
125a734302
13348a9a42
1420001282
1513798358
hexc9103b2

210830258 has 8 divisors (see below), whose sum is σ = 316495728. Its totient is φ = 105331684.

The previous prime is 210830239. The next prime is 210830267. The reversal of 210830258 is 852038012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210830258.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38516 + ... + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (39561966).

Almost surely, 2210830258 is an apocalyptic number.

210830258 is a deficient number, since it is larger than the sum of its proper divisors (105665470).

210830258 is a wasteful number, since it uses less digits than its factorization.

210830258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83448.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 210830258 is about 14519.9951101920. The cubic root of 210830258 is about 595.1744967568.

The spelling of 210830258 in words is "two hundred ten million, eight hundred thirty thousand, two hundred fifty-eight".

Divisors: 1 2 1283 2566 82163 164326 105415129 210830258