Base | Representation |
---|---|
bin | 10000111011111… |
… | …11010011111000 |
3 | 100220100101001111 |
4 | 20131333103320 |
5 | 242333013344 |
6 | 22033130104 |
7 | 3343440100 |
oct | 1035772370 |
9 | 326311044 |
10 | 142079224 |
11 | 73222251 |
12 | 3b6b9934 |
13 | 23587861 |
14 | 14c26200 |
15 | c717834 |
hex | 877f4f8 |
142079224 has 48 divisors (see below), whose sum is σ = 317136600. Its totient is φ = 59467968.
The previous prime is 142079221. The next prime is 142079233. The reversal of 142079224 is 422970241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142079221) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 12642 + ... + 21070.
Almost surely, 2142079224 is an apocalyptic number.
142079224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142079224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158568300).
142079224 is an abundant number, since it is smaller than the sum of its proper divisors (175057376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142079224 is a wasteful number, since it uses less digits than its factorization.
142079224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8492 (or 8481 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 142079224 is about 11919.6989894879. The cubic root of 142079224 is about 521.8073500176.
The spelling of 142079224 in words is "one hundred forty-two million, seventy-nine thousand, two hundred twenty-four".
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