Base | Representation |
---|---|
bin | 10000111100111… |
… | …10110000110101 |
3 | 100220120220202221 |
4 | 20132132300311 |
5 | 242401124203 |
6 | 22040002341 |
7 | 3344514511 |
oct | 1036366065 |
9 | 326526687 |
10 | 142208053 |
11 | 73300019 |
12 | 3b7603b1 |
13 | 236013a0 |
14 | 14c5b141 |
15 | c740abd |
hex | 879ec35 |
142208053 has 4 divisors (see below), whose sum is σ = 153147148. Its totient is φ = 131268960.
The previous prime is 142208047. The next prime is 142208069. The reversal of 142208053 is 350802241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 47087044 + 95121009 = 6862^2 + 9753^2 .
It is a cyclic number.
It is not a de Polignac number, because 142208053 - 25 = 142208021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142208093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5469528 + ... + 5469553.
It is an arithmetic number, because the mean of its divisors is an integer number (38286787).
Almost surely, 2142208053 is an apocalyptic number.
142208053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
142208053 is a deficient number, since it is larger than the sum of its proper divisors (10939095).
142208053 is a wasteful number, since it uses less digits than its factorization.
142208053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10939094.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 142208053 is about 11925.1018025005. The cubic root of 142208053 is about 521.9650170084.
The spelling of 142208053 in words is "one hundred forty-two million, two hundred eight thousand, fifty-three".
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