Base | Representation |
---|---|
bin | 10010100110001… |
… | …01111100110001 |
3 | 101212112121211121 |
4 | 21103011330301 |
5 | 304414000144 |
6 | 23251342241 |
7 | 3602656432 |
oct | 1123057461 |
9 | 355477747 |
10 | 156000049 |
11 | 80070167 |
12 | 442b1981 |
13 | 2641cc2a |
14 | 16a0b489 |
15 | da67384 |
hex | 94c5f31 |
156000049 has 2 divisors, whose sum is σ = 156000050. Its totient is φ = 156000048.
The previous prime is 156000043. The next prime is 156000059. The reversal of 156000049 is 940000651.
156000049 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 can be written as a sum of positive squares in only one way, i.e., 138485824 + 17514225 = 11768^2 + 4185^2 .
It is a cyclic number.
It is not a de Polignac number, because 156000049 - 25 = 156000017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 155999987 and 156000032.
It is not a weakly prime, because it can be changed into another prime (156000043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000024 + 78000025.
It is an arithmetic number, because the mean of its divisors is an integer number (78000025).
Almost surely, 2156000049 is an apocalyptic number.
It is an amenable number.
156000049 is a deficient number, since it is larger than the sum of its proper divisors (1).
156000049 is an equidigital number, since it uses as much as digits as its factorization.
156000049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 156000049 is about 12489.9979583665. The cubic root of 156000049 is about 538.3213175714.
The spelling of 156000049 in words is "one hundred fifty-six million, forty-nine", and thus it is an aban number.
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