Base | Representation |
---|---|
bin | 10000111110010… |
… | …10010000010000 |
3 | 100220220222010200 |
4 | 20133022100100 |
5 | 242422324232 |
6 | 22043455200 |
7 | 3346156044 |
oct | 1037122020 |
9 | 326828120 |
10 | 142386192 |
11 | 73411943 |
12 | 3b827500 |
13 | 236644b0 |
14 | 14ca6024 |
15 | c77877c |
hex | 87ca410 |
142386192 has 120 divisors (see below), whose sum is σ = 447929664. Its totient is φ = 41893632.
The previous prime is 142386191. The next prime is 142386217. The reversal of 142386192 is 291683241.
142386192 is a `hidden beast` number, since 1 + 4 + 2 + 38 + 619 + 2 = 666.
142386192 is nontrivially palindromic in base 15.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142386191) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41403 + ... + 44709.
Almost surely, 2142386192 is an apocalyptic number.
142386192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142386192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223964832).
142386192 is an abundant number, since it is smaller than the sum of its proper divisors (305543472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142386192 is a wasteful number, since it uses less digits than its factorization.
142386192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3357 (or 3348 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 142386192 is about 11932.5685416008. The cubic root of 142386192 is about 522.1828751066.
The spelling of 142386192 in words is "one hundred forty-two million, three hundred eighty-six thousand, one hundred ninety-two".
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