Base | Representation |
---|---|
bin | 10000111110110… |
… | …11000101011100 |
3 | 100221001110201000 |
4 | 20133123011130 |
5 | 242432031012 |
6 | 22045150300 |
7 | 3346564041 |
oct | 1037330534 |
9 | 327043630 |
10 | 142455132 |
11 | 73459716 |
12 | 3b85b390 |
13 | 236899a1 |
14 | 14cc31c8 |
15 | c78dddc |
hex | 87db15c |
142455132 has 48 divisors (see below), whose sum is σ = 374859520. Its totient is φ = 46773936.
The previous prime is 142455127. The next prime is 142455139. The reversal of 142455132 is 231554241.
142455132 is a `hidden beast` number, since 142 + 4 + 5 + 513 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 142455096 and 142455105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142455139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608 + ... + 17079.
Almost surely, 2142455132 is an apocalyptic number.
142455132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142455132 is an abundant number, since it is smaller than the sum of its proper divisors (232404388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142455132 is a wasteful number, since it uses less digits than its factorization.
142455132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19767 (or 19759 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 142455132 is about 11935.4569246426. The cubic root of 142455132 is about 522.2671376756.
The spelling of 142455132 in words is "one hundred forty-two million, four hundred fifty-five thousand, one hundred thirty-two".
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