Base | Representation |
---|---|
bin | 10010111011100… |
… | …10010000000001 |
3 | 102001211000200120 |
4 | 21131302100001 |
5 | 311123143240 |
6 | 23431410453 |
7 | 3635542230 |
oct | 1135622001 |
9 | 361730616 |
10 | 158802945 |
11 | 81705004 |
12 | 45223a29 |
13 | 26b91952 |
14 | 1713ab17 |
15 | de1cad0 |
hex | 9772401 |
158802945 has 32 divisors (see below), whose sum is σ = 290863872. Its totient is φ = 72475392.
The previous prime is 158802937. The next prime is 158802949. The reversal of 158802945 is 549208851.
It is a happy number.
It is not a de Polignac number, because 158802945 - 23 = 158802937 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 158802897 and 158802906.
It is not an unprimeable number, because it can be changed into a prime (158802949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105619 + ... + 107111.
It is an arithmetic number, because the mean of its divisors is an integer number (9089496).
Almost surely, 2158802945 is an apocalyptic number.
158802945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
158802945 is a deficient number, since it is larger than the sum of its proper divisors (132060927).
158802945 is a wasteful number, since it uses less digits than its factorization.
158802945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2521.
The product of its (nonzero) digits is 115200, while the sum is 42.
The square root of 158802945 is about 12601.7040514369. The cubic root of 158802945 is about 541.5262548348.
The spelling of 158802945 in words is "one hundred fifty-eight million, eight hundred two thousand, nine hundred forty-five".
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