Base | Representation |
---|---|
bin | 10001000001100… |
… | …00001101001101 |
3 | 100221201011222020 |
4 | 20200300031031 |
5 | 243024210124 |
6 | 22100440353 |
7 | 3352545402 |
oct | 1040601515 |
9 | 327634866 |
10 | 142803789 |
11 | 73677667 |
12 | 3b9a90b9 |
13 | 2377c5ab |
14 | 14d742a9 |
15 | c80c379 |
hex | 883034d |
142803789 has 8 divisors (see below), whose sum is σ = 190908960. Its totient is φ = 94950576.
The previous prime is 142803769. The next prime is 142803809. The reversal of 142803789 is 987308241.
It is an interprime number because it is at equal distance from previous prime (142803769) and next prime (142803809).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142803789 - 215 = 142771021 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142803789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142803769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61662 + ... + 63935.
It is an arithmetic number, because the mean of its divisors is an integer number (23863620).
Almost surely, 2142803789 is an apocalyptic number.
It is an amenable number.
142803789 is a deficient number, since it is larger than the sum of its proper divisors (48105171).
142803789 is a wasteful number, since it uses less digits than its factorization.
142803789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125979.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 142803789 is about 11950.0539329327. The cubic root of 142803789 is about 522.6928711131.
The spelling of 142803789 in words is "one hundred forty-two million, eight hundred three thousand, seven hundred eighty-nine".
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