Base | Representation |
---|---|
bin | 1001101001100… |
… | …11111010011001 |
3 | 12122022211121201 |
4 | 10310303322121 |
5 | 131210443420 |
6 | 12011034201 |
7 | 2002042351 |
oct | 464637231 |
9 | 178284551 |
10 | 80952985 |
11 | 417721a3 |
12 | 2313b961 |
13 | 13a05099 |
14 | aa73b61 |
15 | 719110a |
hex | 4d33e99 |
80952985 has 16 divisors (see below), whose sum is σ = 102766464. Its totient is φ = 61091712.
The previous prime is 80952943. The next prime is 80953021. The reversal of 80952985 is 58925908.
It is a cyclic number.
It is not a de Polignac number, because 80952985 - 27 = 80952857 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574 + ... + 13216.
It is an arithmetic number, because the mean of its divisors is an integer number (6422904).
Almost surely, 280952985 is an apocalyptic number.
It is an amenable number.
80952985 is a deficient number, since it is larger than the sum of its proper divisors (21813479).
80952985 is a wasteful number, since it uses less digits than its factorization.
80952985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9744.
The product of its (nonzero) digits is 259200, while the sum is 46.
The square root of 80952985 is about 8997.3876764314. The cubic root of 80952985 is about 432.5911420960.
The spelling of 80952985 in words is "eighty million, nine hundred fifty-two thousand, nine hundred eighty-five".
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