Base | Representation |
---|---|
bin | 10000111111100… |
… | …11000101010110 |
3 | 100221020110112200 |
4 | 20133303011112 |
5 | 242443202210 |
6 | 22051225330 |
7 | 3350453445 |
oct | 1037630526 |
9 | 327213480 |
10 | 142553430 |
11 | 73516558 |
12 | 3b8a8246 |
13 | 236c2656 |
14 | 14d0ad5c |
15 | c7ad0c0 |
hex | 87f3156 |
142553430 has 24 divisors (see below), whose sum is σ = 370639152. Its totient is φ = 38014224.
The previous prime is 142553429. The next prime is 142553441. The reversal of 142553430 is 34355241.
It is a junction number, because it is equal to n+sod(n) for n = 142553394 and 142553403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791874 + ... + 792053.
It is an arithmetic number, because the mean of its divisors is an integer number (15443298).
Almost surely, 2142553430 is an apocalyptic number.
142553430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142553430 is an abundant number, since it is smaller than the sum of its proper divisors (228085722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142553430 is a wasteful number, since it uses less digits than its factorization.
142553430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583940 (or 1583937 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 142553430 is about 11939.5741130075. The cubic root of 142553430 is about 522.3872363358.
The spelling of 142553430 in words is "one hundred forty-two million, five hundred fifty-three thousand, four hundred thirty".
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