Base | Representation |
---|---|
bin | 1001010110000… |
… | …00001111100110 |
3 | 12110111012222001 |
4 | 10223000033212 |
5 | 130031211204 |
6 | 11435555514 |
7 | 1641144052 |
oct | 453001746 |
9 | 173435861 |
10 | 78382054 |
11 | 40276663 |
12 | 222bbb9a |
13 | 13314b1a |
14 | a5a4c62 |
15 | 6d344a4 |
hex | 4ac03e6 |
78382054 has 8 divisors (see below), whose sum is σ = 117944928. Its totient is φ = 39067080.
The previous prime is 78382039. The next prime is 78382061. The reversal of 78382054 is 45028387.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×783820542 = 12287492778517832, which contains 22 as substring.
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, 61182 + ... + 62449.
It is an arithmetic number, because the mean of its divisors is an integer number (14743116).
Almost surely, 278382054 is an apocalyptic number.
78382054 is a deficient number, since it is larger than the sum of its proper divisors (39562874).
78382054 is a wasteful number, since it uses less digits than its factorization.
78382054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123950.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 78382054 is about 8853.3639934208. The cubic root of 78382054 is about 427.9623332794.
The spelling of 78382054 in words is "seventy-eight million, three hundred eighty-two thousand, fifty-four".
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