Base | Representation |
---|---|
bin | 11001000011010… |
… | …00011110101000 |
3 | 112122102101012102 |
4 | 30201220132220 |
5 | 412244040034 |
6 | 32504032532 |
7 | 5131121141 |
oct | 1441503650 |
9 | 478371172 |
10 | 210143144 |
11 | a8690722 |
12 | 5a462748 |
13 | 346c9073 |
14 | 1dca2ac8 |
15 | 136ae97e |
hex | c8687a8 |
210143144 has 16 divisors (see below), whose sum is σ = 394243200. Its totient is φ = 105011632.
The previous prime is 210143123. The next prime is 210143147. The reversal of 210143144 is 441341012.
It is not an unprimeable number, because it can be changed into a prime (210143147) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 22695.
It is an arithmetic number, because the mean of its divisors is an integer number (24640200).
Almost surely, 2210143144 is an apocalyptic number.
It is an amenable number.
210143144 is a deficient number, since it is larger than the sum of its proper divisors (184100056).
210143144 is a wasteful number, since it uses less digits than its factorization.
210143144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14992 (or 14988 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 210143144 is about 14496.3148420555. The cubic root of 210143144 is about 594.5272180567.
Adding to 210143144 its reverse (441341012), we get a palindrome (651484156).
The spelling of 210143144 in words is "two hundred ten million, one hundred forty-three thousand, one hundred forty-four".
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