Base | Representation |
---|---|
bin | 10000111110100… |
… | …00101100000110 |
3 | 100220222022021220 |
4 | 20133100230012 |
5 | 242424200200 |
6 | 22044221210 |
7 | 3346325640 |
oct | 1037205406 |
9 | 326868256 |
10 | 142412550 |
11 | 7342a725 |
12 | 3b83a806 |
13 | 236734a7 |
14 | 14cb1890 |
15 | c7814a0 |
hex | 87d0b06 |
142412550 has 96 divisors (see below), whose sum is σ = 421258752. Its totient is φ = 31130880.
The previous prime is 142412531. The next prime is 142412597. The reversal of 142412550 is 55214241.
It is a self number, because there is not a number n which added to its sum of digits gives 142412550.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21202 + ... + 27098.
It is an arithmetic number, because the mean of its divisors is an integer number (4388112).
Almost surely, 2142412550 is an apocalyptic number.
142412550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142412550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210629376).
142412550 is an abundant number, since it is smaller than the sum of its proper divisors (278846202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142412550 is a wasteful number, since it uses less digits than its factorization.
142412550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5942 (or 5937 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 142412550 is about 11933.6729467503. The cubic root of 142412550 is about 522.2150946330.
Adding to 142412550 its reverse (55214241), we get a palindrome (197626791).
The spelling of 142412550 in words is "one hundred forty-two million, four hundred twelve thousand, five hundred fifty".
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