| Base | Representation |
|---|---|
| bin | 10000110011010… |
| … | …01011000011100 |
| 3 | 100211012112110200 |
| 4 | 20121221120130 |
| 5 | 242040101303 |
| 6 | 21552503500 |
| 7 | 3330656130 |
| oct | 1031513034 |
| 9 | 324175420 |
| 10 | 140940828 |
| 11 | 72614a26 |
| 12 | 3b24ab90 |
| 13 | 23279652 |
| 14 | 14a0b3c0 |
| 15 | c5903a3 |
| hex | 866961c |
140940828 has 72 divisors (see below), whose sum is σ = 411046272. Its totient is φ = 39884832.
The previous prime is 140940823. The next prime is 140940847. The reversal of 140940828 is 828049041.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 = 140940792 and 140940801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140940823) 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, 24351 + ... + 29577.
It is an arithmetic number, because the mean of its divisors is an integer number (5708976).
Almost surely, 2140940828 is an apocalyptic number.
140940828 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 140940828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205523136).
140940828 is an abundant number, since it is smaller than the sum of its proper divisors (270105444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140940828 is a wasteful number, since it uses less digits than its factorization.
140940828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5351 (or 5346 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 140940828 is about 11871.8502349044. The cubic root of 140940828 is about 520.4099676239.
Adding to 140940828 its reverse (828049041), we get a palindrome (968989869).
The spelling of 140940828 in words is "one hundred forty million, nine hundred forty thousand, eight hundred twenty-eight".
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