Base | Representation |
---|---|
bin | 10001000010010… |
… | …00001010010110 |
3 | 100221220011120100 |
4 | 20201020022112 |
5 | 243040330120 |
6 | 22102514530 |
7 | 3353434434 |
oct | 1041101226 |
9 | 327804510 |
10 | 142901910 |
11 | 73734358 |
12 | 3ba35a46 |
13 | 237b5158 |
14 | 14d9bd54 |
15 | c82b490 |
hex | 8848296 |
142901910 has 24 divisors (see below), whose sum is σ = 371545200. Its totient is φ = 38107152.
The previous prime is 142901903. The next prime is 142901911. The reversal of 142901910 is 19109241.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142901911) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793810 + ... + 793989.
It is an arithmetic number, because the mean of its divisors is an integer number (15481050).
Almost surely, 2142901910 is an apocalyptic number.
142901910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142901910 is an abundant number, since it is smaller than the sum of its proper divisors (228643290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142901910 is a wasteful number, since it uses less digits than its factorization.
142901910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1587812 (or 1587809 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 142901910 is about 11954.1586905980. The cubic root of 142901910 is about 522.8125584256.
The spelling of 142901910 in words is "one hundred forty-two million, nine hundred one thousand, nine hundred ten".
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