Base | Representation |
---|---|
bin | 10000101110111… |
… | …11011100100000 |
3 | 100210010211110012 |
4 | 20113133130200 |
5 | 241414011330 |
6 | 21532424052 |
7 | 3323114003 |
oct | 1027373440 |
9 | 323124405 |
10 | 140375840 |
11 | 722694a0 |
12 | 3b018028 |
13 | 2310c437 |
14 | 1490153a |
15 | c4ccc95 |
hex | 85df720 |
140375840 has 96 divisors (see below), whose sum is σ = 369702144. Its totient is φ = 49930240.
The previous prime is 140375839. The next prime is 140375869. The reversal of 140375840 is 48573041.
140375840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 140375797 and 140375806.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81872 + ... + 83568.
It is an arithmetic number, because the mean of its divisors is an integer number (3851064).
Almost surely, 2140375840 is an apocalyptic number.
140375840 is a gapful number since it is divisible by the number (10) 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 140375840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184851072).
140375840 is an abundant number, since it is smaller than the sum of its proper divisors (229326304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140375840 is a wasteful number, since it uses less digits than its factorization.
140375840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1770 (or 1762 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 140375840 is about 11848.0310600538. The cubic root of 140375840 is about 519.7136490488.
The spelling of 140375840 in words is "one hundred forty million, three hundred seventy-five thousand, eight hundred forty".
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