Base | Representation |
---|---|
bin | 10001000010000… |
… | …01001111110000 |
3 | 100221211201201020 |
4 | 20201001033300 |
5 | 243033423314 |
6 | 22102135440 |
7 | 3353256030 |
oct | 1041011760 |
9 | 327751636 |
10 | 142873584 |
11 | 73715047 |
12 | 3ba21580 |
13 | 237a52a9 |
14 | 14d918c0 |
15 | c822da9 |
hex | 88413f0 |
142873584 has 160 divisors (see below), whose sum is σ = 439686144. Its totient is φ = 39137280.
The previous prime is 142873583. The next prime is 142873589. The reversal of 142873584 is 485378241.
142873584 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1428735842 = 40825722010010112, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142873583) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264312 + ... + 1264424.
Almost surely, 2142873584 is an apocalyptic number.
142873584 is a gapful number since it is divisible by the number (14) 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 142873584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219843072).
142873584 is an abundant number, since it is smaller than the sum of its proper divisors (296812560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142873584 is a wasteful number, since it uses less digits than its factorization.
142873584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255 (or 249 counting only the distinct ones).
The product of its digits is 215040, while the sum is 42.
The square root of 142873584 is about 11952.9738559072. The cubic root of 142873584 is about 522.7780121947.
It can be divided in two parts, 14287 and 3584, that added together give a palindrome (17871).
The spelling of 142873584 in words is "one hundred forty-two million, eight hundred seventy-three thousand, five hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •