Base | Representation |
---|---|
bin | 10010111100111… |
… | …01100100100011 |
3 | 102002011001002111 |
4 | 21132131210203 |
5 | 311144333022 |
6 | 23435300151 |
7 | 3640211446 |
oct | 1136354443 |
9 | 362131074 |
10 | 158980387 |
11 | 81816355 |
12 | 452aa657 |
13 | 26c24647 |
14 | 1718565d |
15 | de55477 |
hex | 979d923 |
158980387 has 2 divisors, whose sum is σ = 158980388. Its totient is φ = 158980386.
The previous prime is 158980321. The next prime is 158980403. The reversal of 158980387 is 783089851.
It is a strong prime.
It is an emirp because it is prime and its reverse (783089851) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 158980387 - 27 = 158980259 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 158980387.
It is not a weakly prime, because it can be changed into another prime (158980687) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79490193 + 79490194.
It is an arithmetic number, because the mean of its divisors is an integer number (79490194).
Almost surely, 2158980387 is an apocalyptic number.
158980387 is a deficient number, since it is larger than the sum of its proper divisors (1).
158980387 is an equidigital number, since it uses as much as digits as its factorization.
158980387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 483840, while the sum is 49.
The square root of 158980387 is about 12608.7424828965. The cubic root of 158980387 is about 541.7278752238.
The spelling of 158980387 in words is "one hundred fifty-eight million, nine hundred eighty thousand, three hundred eighty-seven".
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