Base | Representation |
---|---|
bin | 1000011011011… |
… | …11011110111110 |
3 | 11221001111120110 |
4 | 10031233132332 |
5 | 121100224410 |
6 | 11003330450 |
7 | 1516015122 |
oct | 415573676 |
9 | 157044513 |
10 | 70711230 |
11 | 36a07437 |
12 | 1b820a26 |
13 | 1185a485 |
14 | 9569582 |
15 | 631b720 |
hex | 436f7be |
70711230 has 32 divisors (see below), whose sum is σ = 170799264. Its totient is φ = 18734976.
The previous prime is 70711189. The next prime is 70711247. The reversal of 70711230 is 3211707.
It is a super-2 number, since 2×707112302 = 10000156096225800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 70711197 and 70711206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797 + ... + 12216.
It is an arithmetic number, because the mean of its divisors is an integer number (5337477).
Almost surely, 270711230 is an apocalyptic number.
70711230 is an abundant number, since it is smaller than the sum of its proper divisors (100088034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70711230 is a wasteful number, since it uses less digits than its factorization.
70711230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15180.
The product of its (nonzero) digits is 294, while the sum is 21.
The square root of 70711230 is about 8408.9969675342. The cubic root of 70711230 is about 413.5196300044.
Adding to 70711230 its reverse (3211707), we get a palindrome (73922937).
The spelling of 70711230 in words is "seventy million, seven hundred eleven thousand, two hundred thirty".
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