Base | Representation |
---|---|
bin | 1111111111001… |
… | …0001100010001 |
3 | 11200011121110201 |
4 | 3333302030101 |
5 | 114131133210 |
6 | 10353055201 |
7 | 1442635525 |
oct | 377621421 |
9 | 150147421 |
10 | 67052305 |
11 | 34938431 |
12 | 1a557501 |
13 | 10b78c28 |
14 | 8c95d85 |
15 | 5d4753a |
hex | 3ff2311 |
67052305 has 8 divisors (see below), whose sum is σ = 80996544. Its totient is φ = 53286000.
The previous prime is 67052303. The next prime is 67052341. The reversal of 67052305 is 50325076.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67052305 - 21 = 67052303 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67052303) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43651 + ... + 45160.
It is an arithmetic number, because the mean of its divisors is an integer number (10124568).
Almost surely, 267052305 is an apocalyptic number.
It is an amenable number.
67052305 is a deficient number, since it is larger than the sum of its proper divisors (13944239).
67052305 is a wasteful number, since it uses less digits than its factorization.
67052305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88967.
The product of its (nonzero) digits is 6300, while the sum is 28.
The square root of 67052305 is about 8188.5471849407. The cubic root of 67052305 is about 406.2604737339.
It can be divided in two parts, 670 and 52305, that added together give a triangular number (52975 = T325).
The spelling of 67052305 in words is "sixty-seven million, fifty-two thousand, three hundred five".
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