Base | Representation |
---|---|
bin | 10000111011101… |
… | …11110010010100 |
3 | 100220021210210000 |
4 | 20131313302110 |
5 | 242331022104 |
6 | 22032331300 |
7 | 3343251201 |
oct | 1035676224 |
9 | 326253700 |
10 | 142048404 |
11 | 73201083 |
12 | 3b6a3b30 |
13 | 23576814 |
14 | 14c18ca8 |
15 | c70d639 |
hex | 8777c94 |
142048404 has 60 divisors (see below), whose sum is σ = 372978144. Its totient is φ = 47141136.
The previous prime is 142048381. The next prime is 142048411. The reversal of 142048404 is 404840241.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84379 + ... + 86045.
Almost surely, 2142048404 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142048404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186489072).
142048404 is an abundant number, since it is smaller than the sum of its proper divisors (230929740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142048404 is a wasteful number, since it uses less digits than its factorization.
142048404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1946 (or 1935 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 27.
The square root of 142048404 is about 11918.4061014886. The cubic root of 142048404 is about 521.7696169251.
Adding to 142048404 its reverse (404840241), we get a palindrome (546888645).
The spelling of 142048404 in words is "one hundred forty-two million, forty-eight thousand, four hundred four".
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