Base | Representation |
---|---|
bin | 10001000010101… |
… | …00001011100100 |
3 | 100221222200002200 |
4 | 20201110023210 |
5 | 243043414030 |
6 | 22103534500 |
7 | 3354031113 |
oct | 1041241344 |
9 | 327880080 |
10 | 142951140 |
11 | 73768342 |
12 | 3ba5a430 |
13 | 23801697 |
14 | 14db1c7a |
15 | c83ad60 |
hex | 88542e4 |
142951140 has 36 divisors (see below), whose sum is σ = 433619004. Its totient is φ = 38120256.
The previous prime is 142951129. The next prime is 142951153. The reversal of 142951140 is 41159241.
142951140 is a `hidden beast` number, since 142 + 9 + 511 + 4 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 75481344 + 67469796 = 8688^2 + 8214^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396907 + ... + 397266.
Almost surely, 2142951140 is an apocalyptic number.
142951140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142951140 is an abundant number, since it is smaller than the sum of its proper divisors (290667864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142951140 is a wasteful number, since it uses less digits than its factorization.
142951140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794188 (or 794183 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 142951140 is about 11956.2176293341. The cubic root of 142951140 is about 522.8725881976.
The spelling of 142951140 in words is "one hundred forty-two million, nine hundred fifty-one thousand, one hundred forty".
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