Base | Representation |
---|---|
bin | 1000011100011… |
… | …00000110110001 |
3 | 11221021110101111 |
4 | 10032030012301 |
5 | 121113002330 |
6 | 11010033321 |
7 | 1520013661 |
oct | 416140661 |
9 | 157243344 |
10 | 70828465 |
11 | 36a87524 |
12 | 1b878841 |
13 | 1189b946 |
14 | 959a1a1 |
15 | 634132a |
hex | 438c1b1 |
70828465 has 16 divisors (see below), whose sum is σ = 86905728. Its totient is φ = 55403136.
The previous prime is 70828463. The next prime is 70828487. The reversal of 70828465 is 56482807.
It is a cyclic number.
It is not a de Polignac number, because 70828465 - 21 = 70828463 is a prime.
It is a super-3 number, since 3×708284653 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70828463) 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 15 ways as a sum of consecutive naturals, for example, 41917 + ... + 43573.
It is an arithmetic number, because the mean of its divisors is an integer number (5431608).
Almost surely, 270828465 is an apocalyptic number.
It is an amenable number.
70828465 is a deficient number, since it is larger than the sum of its proper divisors (16077263).
70828465 is a wasteful number, since it uses less digits than its factorization.
70828465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1848.
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 70828465 is about 8415.9648882347. The cubic root of 70828465 is about 413.7480341147.
The spelling of 70828465 in words is "seventy million, eight hundred twenty-eight thousand, four hundred sixty-five".
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