Base | Representation |
---|---|
bin | 10000110000111… |
… | …00010000100000 |
3 | 100210121111010200 |
4 | 20120130100200 |
5 | 241444444203 |
6 | 21542025200 |
7 | 3325202133 |
oct | 1030342040 |
9 | 323544120 |
10 | 140624928 |
11 | 72419654 |
12 | 3b118200 |
13 | 23198922 |
14 | 1496821a |
15 | c52b9a3 |
hex | 861c420 |
140624928 has 144 divisors (see below), whose sum is σ = 435052800. Its totient is φ = 42923520.
The previous prime is 140624917. The next prime is 140624929. The reversal of 140624928 is 829426041.
140624928 is a `hidden beast` number, since 1 + 4 + 0 + 624 + 9 + 28 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 140624892 and 140624901.
It is not an unprimeable number, because it can be changed into a prime (140624929) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169218 + ... + 170046.
It is an arithmetic number, because the mean of its divisors is an integer number (3021200).
Almost surely, 2140624928 is an apocalyptic number.
140624928 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 140624928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217526400).
140624928 is an abundant number, since it is smaller than the sum of its proper divisors (294427872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140624928 is a wasteful number, since it uses less digits than its factorization.
140624928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 895 (or 884 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 140624928 is about 11858.5381898445. The cubic root of 140624928 is about 520.0208670127.
It can be divided in two parts, 14062492 and 8, that added together give a square (14062500 = 37502).
The spelling of 140624928 in words is "one hundred forty million, six hundred twenty-four thousand, nine hundred twenty-eight".
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