Base | Representation |
---|---|
bin | 10001000000100… |
… | …01110110011000 |
3 | 100221110212102000 |
4 | 20200101312120 |
5 | 243011220243 |
6 | 22054041000 |
7 | 3351520032 |
oct | 1040216630 |
9 | 327425360 |
10 | 142679448 |
11 | 735a21aa |
12 | 3b949160 |
13 | 23737b12 |
14 | 14d40c52 |
15 | c7d55d3 |
hex | 8811d98 |
142679448 has 64 divisors (see below), whose sum is σ = 402288000. Its totient is φ = 46845216.
The previous prime is 142679443. The next prime is 142679479. The reversal of 142679448 is 844976241.
142679448 is a `hidden beast` number, since 142 + 67 + 9 + 448 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142679443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9543 + ... + 19401.
It is an arithmetic number, because the mean of its divisors is an integer number (6285750).
Almost surely, 2142679448 is an apocalyptic number.
142679448 is a gapful number since it is divisible by the number (18) 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 142679448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201144000).
142679448 is an abundant number, since it is smaller than the sum of its proper divisors (259608552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142679448 is a wasteful number, since it uses less digits than its factorization.
142679448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9941 (or 9931 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 142679448 is about 11944.8502711420. The cubic root of 142679448 is about 522.5411220430.
The spelling of 142679448 in words is "one hundred forty-two million, six hundred seventy-nine thousand, four hundred forty-eight".
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