Base | Representation |
---|---|
bin | 10000111111100… |
… | …11011101110100 |
3 | 100221020112200200 |
4 | 20133303131310 |
5 | 242443224441 |
6 | 22051240500 |
7 | 3350461143 |
oct | 1037633564 |
9 | 327215620 |
10 | 142554996 |
11 | 73517751 |
12 | 3b8a9130 |
13 | 236c328c |
14 | 14d0b75a |
15 | c7ad7b6 |
hex | 87f3774 |
142554996 has 72 divisors (see below), whose sum is σ = 385224840. Its totient is φ = 44292096.
The previous prime is 142554977. The next prime is 142555009. The reversal of 142554996 is 699455241.
142554996 is a `hidden beast` number, since 1 + 4 + 2 + 554 + 9 + 96 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 17338896 + 125216100 = 4164^2 + 11190^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65640 + ... + 67776.
It is an arithmetic number, because the mean of its divisors is an integer number (5350345).
Almost surely, 2142554996 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142554996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192612420).
142554996 is an abundant number, since it is smaller than the sum of its proper divisors (242669844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142554996 is a wasteful number, since it uses less digits than its factorization.
142554996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2273 (or 2268 counting only the distinct ones).
The product of its digits is 388800, while the sum is 45.
The square root of 142554996 is about 11939.6396930561. The cubic root of 142554996 is about 522.3891491985.
The spelling of 142554996 in words is "one hundred forty-two million, five hundred fifty-four thousand, nine hundred ninety-six".
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