Base | Representation |
---|---|
bin | 1001100100101… |
… | …10010110110110 |
3 | 12121010001100222 |
4 | 10302112112312 |
5 | 131024321023 |
6 | 11545134342 |
7 | 1663414025 |
oct | 462262666 |
9 | 177101328 |
10 | 80307638 |
11 | 41371354 |
12 | 22a8a3b2 |
13 | 1383a418 |
14 | a9468bc |
15 | 70b4cc8 |
hex | 4c965b6 |
80307638 has 8 divisors (see below), whose sum is σ = 121158288. Its totient is φ = 39921544.
The previous prime is 80307599. The next prime is 80307671. The reversal of 80307638 is 83670308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×803076382 = 12898633442278088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80307598 and 80307607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115706 + ... + 116397.
It is an arithmetic number, because the mean of its divisors is an integer number (15144786).
Almost surely, 280307638 is an apocalyptic number.
80307638 is a deficient number, since it is larger than the sum of its proper divisors (40850650).
80307638 is a wasteful number, since it uses less digits than its factorization.
80307638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232278.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 80307638 is about 8961.4528955968. The cubic root of 80307638 is about 431.4385531846.
The spelling of 80307638 in words is "eighty million, three hundred seven thousand, six hundred thirty-eight".
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