Base | Representation |
---|---|
bin | 1000101100100… |
… | …10110111000101 |
3 | 12002021102002112 |
4 | 10112102313011 |
5 | 122134001120 |
6 | 11123350405 |
7 | 1544043536 |
oct | 426226705 |
9 | 162242075 |
10 | 72953285 |
11 | 381a8979 |
12 | 20522405 |
13 | 12163b32 |
14 | 999068d |
15 | 6610bc5 |
hex | 4592dc5 |
72953285 has 8 divisors (see below), whose sum is σ = 88850976. Its totient is φ = 57491280.
The previous prime is 72953269. The next prime is 72953297. The reversal of 72953285 is 58235927.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72953285 - 24 = 72953269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108551 + ... + 109220.
It is an arithmetic number, because the mean of its divisors is an integer number (11106372).
Almost surely, 272953285 is an apocalyptic number.
It is an amenable number.
72953285 is a deficient number, since it is larger than the sum of its proper divisors (15897691).
72953285 is a wasteful number, since it uses less digits than its factorization.
72953285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217843.
The product of its digits is 151200, while the sum is 41.
The square root of 72953285 is about 8541.2695192225. The cubic root of 72953285 is about 417.8447509205.
The spelling of 72953285 in words is "seventy-two million, nine hundred fifty-three thousand, two hundred eighty-five".
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