Base | Representation |
---|---|
bin | 1000100001100… |
… | …11100111111100 |
3 | 11222120022121122 |
4 | 10100303213330 |
5 | 121301431440 |
6 | 11032450112 |
7 | 1525602302 |
oct | 420634774 |
9 | 158508548 |
10 | 71514620 |
11 | 37405aa1 |
12 | 1bb49938 |
13 | 11a7c058 |
14 | 96d8272 |
15 | 64297b5 |
hex | 44339fc |
71514620 has 24 divisors (see below), whose sum is σ = 151108944. Its totient is φ = 28429056.
The previous prime is 71514607. The next prime is 71514629. The reversal of 71514620 is 2641517.
It is a super-2 number, since 2×715146202 = 10228681747488800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 71514620.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71514629) 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, 7709 + ... + 14228.
It is an arithmetic number, because the mean of its divisors is an integer number (6296206).
Almost surely, 271514620 is an apocalyptic number.
It is an amenable number.
71514620 is an abundant number, since it is smaller than the sum of its proper divisors (79594324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71514620 is a wasteful number, since it uses less digits than its factorization.
71514620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22109 (or 22107 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 71514620 is about 8456.6317171791. The cubic root of 71514620 is about 415.0798123943.
The spelling of 71514620 in words is "seventy-one million, five hundred fourteen thousand, six hundred twenty".
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