Base | Representation |
---|---|
bin | 10000111110011… |
… | …00011011000000 |
3 | 100220221102022120 |
4 | 20133030123000 |
5 | 242423120242 |
6 | 22044004240 |
7 | 3346223661 |
oct | 1037143300 |
9 | 326842276 |
10 | 142395072 |
11 | 73418586 |
12 | 3b830680 |
13 | 23668551 |
14 | 14ca9368 |
15 | c77b1ec |
hex | 87cc6c0 |
142395072 has 28 divisors (see below), whose sum is σ = 376754136. Its totient is φ = 47464960.
The previous prime is 142395023. The next prime is 142395083. The reversal of 142395072 is 270593241.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370629 + ... + 371012.
Almost surely, 2142395072 is an apocalyptic number.
142395072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142395072 is an abundant number, since it is smaller than the sum of its proper divisors (234359064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142395072 is an equidigital number, since it uses as much as digits as its factorization.
142395072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 741656 (or 741646 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 142395072 is about 11932.9406266854. The cubic root of 142395072 is about 522.1937302967.
The spelling of 142395072 in words is "one hundred forty-two million, three hundred ninety-five thousand, seventy-two".
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