Base | Representation |
---|---|
bin | 1000011001000… |
… | …00010001010000 |
3 | 11220110000111100 |
4 | 10030200101100 |
5 | 121004334033 |
6 | 10552344400 |
7 | 1513164144 |
oct | 414402120 |
9 | 156400440 |
10 | 70386768 |
11 | 36805691 |
12 | 1b6a5100 |
13 | 1177589a |
14 | 94c3224 |
15 | 62a5513 |
hex | 4320450 |
70386768 has 30 divisors (see below), whose sum is σ = 196985594. Its totient is φ = 23462208.
The previous prime is 70386761. The next prime is 70386769. The reversal of 70386768 is 86768307.
It can be written as a sum of positive squares in only one way, i.e., 70358544 + 28224 = 8388^2 + 168^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70386761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244255 + ... + 244542.
Almost surely, 270386768 is an apocalyptic number.
It is an amenable number.
70386768 is an abundant number, since it is smaller than the sum of its proper divisors (126598826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70386768 is a wasteful number, since it uses less digits than its factorization.
70386768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488811 (or 488802 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 70386768 is about 8389.6822347452. The cubic root of 70386768 is about 412.8861749963.
The spelling of 70386768 in words is "seventy million, three hundred eighty-six thousand, seven hundred sixty-eight".
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