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BaseRepresentation
bin11001000101100…
…10101100100110
3112122222211012121
430202302230212
5412333302032
632514340154
75133525343
oct1442625446
9478884177
10210447142
11a8879064
125a58a65a
13347a4549
141dd417ca
151371ea97
hexc8b2b26

210447142 has 8 divisors (see below), whose sum is σ = 326556000. Its totient is φ = 101595144.

The previous prime is 210447121. The next prime is 210447143. The reversal of 210447142 is 241744012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210447143) 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, 1814142 + ... + 1814257.

It is an arithmetic number, because the mean of its divisors is an integer number (40819500).

Almost surely, 2210447142 is an apocalyptic number.

210447142 is a deficient number, since it is larger than the sum of its proper divisors (116108858).

210447142 is a wasteful number, since it uses less digits than its factorization.

210447142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628430.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 210447142 is about 14506.7964072017. The cubic root of 210447142 is about 594.8137655974.

The spelling of 210447142 in words is "two hundred ten million, four hundred forty-seven thousand, one hundred forty-two".