Base | Representation |
---|---|
bin | 10000111101101… |
… | …00000010011001 |
3 | 100220202100022100 |
4 | 20132310002121 |
5 | 242411421233 |
6 | 22041514013 |
7 | 3345326535 |
oct | 1036640231 |
9 | 326670270 |
10 | 142295193 |
11 | 7335a537 |
12 | 3b7a2909 |
13 | 23631c51 |
14 | 14c80bc5 |
15 | c75b813 |
hex | 87b4099 |
142295193 has 6 divisors (see below), whose sum is σ = 205537514. Its totient is φ = 94863456.
The previous prime is 142295183. The next prime is 142295207. The reversal of 142295193 is 391592241.
It can be written as a sum of positive squares in only one way, i.e., 72539289 + 69755904 = 8517^2 + 8352^2 .
It is not a de Polignac number, because 142295193 - 216 = 142229657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142295113) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7905280 + ... + 7905297.
Almost surely, 2142295193 is an apocalyptic number.
It is an amenable number.
142295193 is a deficient number, since it is larger than the sum of its proper divisors (63242321).
142295193 is a wasteful number, since it uses less digits than its factorization.
142295193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15810583 (or 15810580 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 142295193 is about 11928.7548805397. The cubic root of 142295193 is about 522.0716090601.
The spelling of 142295193 in words is "one hundred forty-two million, two hundred ninety-five thousand, one hundred ninety-three".
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