Base | Representation |
---|---|
bin | 10000110010000… |
… | …00001110010000 |
3 | 100210212222012200 |
4 | 20121000032100 |
5 | 242014202430 |
6 | 21545123200 |
7 | 3326354460 |
oct | 1031001620 |
9 | 323788180 |
10 | 140772240 |
11 | 7250a2a4 |
12 | 3b189500 |
13 | 2321a9ab |
14 | 149a5ba0 |
15 | c55a460 |
hex | 8640390 |
140772240 has 480 divisors, whose sum is σ = 601675776. Its totient is φ = 28753920.
The previous prime is 140772227. The next prime is 140772241. The reversal of 140772240 is 42277041.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140772241) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2656054 + ... + 2656106.
Almost surely, 2140772240 is an apocalyptic number.
140772240 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 140772240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300837888).
140772240 is an abundant number, since it is smaller than the sum of its proper divisors (460903536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140772240 is a wasteful number, since it uses less digits than its factorization.
140772240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127 (or 118 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 27.
The square root of 140772240 is about 11864.7477849299. The cubic root of 140772240 is about 520.2023867031.
The spelling of 140772240 in words is "one hundred forty million, seven hundred seventy-two thousand, two hundred forty".
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