Base | Representation |
---|---|
bin | 10000111110100… |
… | …01011011000100 |
3 | 100220222110102020 |
4 | 20133101123010 |
5 | 242424244211 |
6 | 22044243140 |
7 | 3346340463 |
oct | 1037213304 |
9 | 326873366 |
10 | 142415556 |
11 | 73431a08 |
12 | 3b8404b0 |
13 | 2367497a |
14 | 14cb29da |
15 | c782306 |
hex | 87d16c4 |
142415556 has 12 divisors (see below), whose sum is σ = 332302992. Its totient is φ = 47471848.
The previous prime is 142415531. The next prime is 142415561. The reversal of 142415556 is 655514241.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933970 + ... + 5933993.
It is an arithmetic number, because the mean of its divisors is an integer number (27691916).
Almost surely, 2142415556 is an apocalyptic number.
It is an amenable number.
142415556 is an abundant number, since it is smaller than the sum of its proper divisors (189887436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142415556 is a wasteful number, since it uses less digits than its factorization.
142415556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11867970 (or 11867968 counting only the distinct ones).
The product of its digits is 24000, while the sum is 33.
The square root of 142415556 is about 11933.7988922220. The cubic root of 142415556 is about 522.2187688587.
Adding to 142415556 its reverse (655514241), we get a palindrome (797929797).
The spelling of 142415556 in words is "one hundred forty-two million, four hundred fifteen thousand, five hundred fifty-six".
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