Base | Representation |
---|---|
bin | 1000100011110… |
… | …00101011011000 |
3 | 12000002200121100 |
4 | 10101320223120 |
5 | 121340004324 |
6 | 11042511400 |
7 | 1531161024 |
oct | 421705330 |
9 | 160080540 |
10 | 71797464 |
11 | 37589552 |
12 | 20065560 |
13 | 11b4aa0b |
14 | 976d384 |
15 | 64834c9 |
hex | 4478ad8 |
71797464 has 48 divisors (see below), whose sum is σ = 199714320. Its totient is φ = 23284800.
The previous prime is 71797463. The next prime is 71797469. The reversal of 71797464 is 46479717.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71797463) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10812 + ... + 16139.
It is an arithmetic number, because the mean of its divisors is an integer number (4160715).
Almost surely, 271797464 is an apocalyptic number.
71797464 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is an amenable number.
71797464 is an abundant number, since it is smaller than the sum of its proper divisors (127916856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71797464 is a wasteful number, since it uses less digits than its factorization.
71797464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27000 (or 26993 counting only the distinct ones).
The product of its digits is 296352, while the sum is 45.
The square root of 71797464 is about 8473.3384211891. The cubic root of 71797464 is about 415.6263132150.
The spelling of 71797464 in words is "seventy-one million, seven hundred ninety-seven thousand, four hundred sixty-four".
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