Base | Representation |
---|---|
bin | 10000101110001… |
… | …10000110011111 |
3 | 100202221120001102 |
4 | 20113012012133 |
5 | 241402201111 |
6 | 21530303315 |
7 | 3322202234 |
oct | 1027060637 |
9 | 322846042 |
10 | 140272031 |
11 | 721a84a9 |
12 | 3ab87b3b |
13 | 230a4103 |
14 | 148b578b |
15 | c4ac13b |
hex | 85c619f |
140272031 has 2 divisors, whose sum is σ = 140272032. Its totient is φ = 140272030.
The previous prime is 140272019. The next prime is 140272057. The reversal of 140272031 is 130272041.
140272031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 140272031 - 210 = 140271007 is a prime.
It is a super-2 number, since 2×1402720312 = 39352485361729922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 140271994 and 140272012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (140272061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70136015 + 70136016.
It is an arithmetic number, because the mean of its divisors is an integer number (70136016).
Almost surely, 2140272031 is an apocalyptic number.
140272031 is a deficient number, since it is larger than the sum of its proper divisors (1).
140272031 is an equidigital number, since it uses as much as digits as its factorization.
140272031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 140272031 is about 11843.6493953511. The cubic root of 140272031 is about 519.5855067257.
The spelling of 140272031 in words is "one hundred forty million, two hundred seventy-two thousand, thirty-one".
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