Base | Representation |
---|---|
bin | 1000011001011… |
… | …11110000110110 |
3 | 11220120020112210 |
4 | 10030233300312 |
5 | 121013401410 |
6 | 10553554250 |
7 | 1513550154 |
oct | 414576066 |
9 | 156506483 |
10 | 70450230 |
11 | 36849334 |
12 | 1b715986 |
13 | 11798736 |
14 | 94dc3d4 |
15 | 62b9220 |
hex | 432fc36 |
70450230 has 32 divisors (see below), whose sum is σ = 170129664. Its totient is φ = 18670176.
The previous prime is 70450223. The next prime is 70450231. The reversal of 70450230 is 3205407.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 70450197 and 70450206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70450231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314 + ... + 12093.
It is an arithmetic number, because the mean of its divisors is an integer number (5316552).
Almost surely, 270450230 is an apocalyptic number.
70450230 is an abundant number, since it is smaller than the sum of its proper divisors (99679434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70450230 is a wasteful number, since it uses less digits than its factorization.
70450230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14580.
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 70450230 is about 8393.4635282463. The cubic root of 70450230 is about 413.0102263022.
Adding to 70450230 its reverse (3205407), we get a palindrome (73655637).
The spelling of 70450230 in words is "seventy million, four hundred fifty thousand, two hundred thirty".
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