Base | Representation |
---|---|
bin | 10000101101110… |
… | …01101011000101 |
3 | 100202211222020000 |
4 | 20112321223011 |
5 | 241344034000 |
6 | 21525231513 |
7 | 3321600642 |
oct | 1026715305 |
9 | 322758200 |
10 | 140221125 |
11 | 72173230 |
12 | 3ab62599 |
13 | 23086ba5 |
14 | 148a0dc9 |
15 | c49c000 |
hex | 85b9ac5 |
140221125 has 80 divisors (see below), whose sum is σ = 285405120. Its totient is φ = 67932000.
The previous prime is 140221097. The next prime is 140221223. The reversal of 140221125 is 521122041.
140221125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 140221125 - 224 = 123443909 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 140221098 and 140221107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 110746 + ... + 112004.
It is an arithmetic number, because the mean of its divisors is an integer number (3567564).
Almost surely, 2140221125 is an apocalyptic number.
140221125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
140221125 is an abundant number, since it is smaller than the sum of its proper divisors (145183995).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140221125 is a wasteful number, since it uses less digits than its factorization.
140221125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1297 (or 1278 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 140221125 is about 11841.5001161170. The cubic root of 140221125 is about 519.5226450136.
Adding to 140221125 its reverse (521122041), we get a palindrome (661343166).
The spelling of 140221125 in words is "one hundred forty million, two hundred twenty-one thousand, one hundred twenty-five".
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