Base | Representation |
---|---|
bin | 10000111011110… |
… | …11111100011000 |
3 | 100220022200010200 |
4 | 20131323330120 |
5 | 242332043212 |
6 | 22032542200 |
7 | 3343351635 |
oct | 1035737430 |
9 | 326280120 |
10 | 142065432 |
11 | 73212953 |
12 | 3b6b1960 |
13 | 235814b2 |
14 | 14c2118c |
15 | c7136dc |
hex | 877bf18 |
142065432 has 96 divisors (see below), whose sum is σ = 419094000. Its totient is φ = 43303680.
The previous prime is 142065431. The next prime is 142065487. The reversal of 142065432 is 234560241.
142065432 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 654 + 3 + 2 = 666.
It is a super-3 number, since 3×1420654323 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142065396 and 142065405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142065431) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37882 + ... + 41462.
Almost surely, 2142065432 is an apocalyptic number.
142065432 is a gapful number since it is divisible by the number (12) 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 142065432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209547000).
142065432 is an abundant number, since it is smaller than the sum of its proper divisors (277028568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142065432 is a wasteful number, since it uses less digits than its factorization.
142065432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3641 (or 3634 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 142065432 is about 11919.1204373477. The cubic root of 142065432 is about 521.7904650721.
The spelling of 142065432 in words is "one hundred forty-two million, sixty-five thousand, four hundred thirty-two".
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