Base | Representation |
---|---|
bin | 1001010110110… |
… | …10100111101110 |
3 | 12110200201011112 |
4 | 10223122213232 |
5 | 130043140334 |
6 | 11442152022 |
7 | 1642104044 |
oct | 453324756 |
9 | 173621145 |
10 | 78490094 |
11 | 4033a851 |
12 | 22352612 |
13 | 13352057 |
14 | a5d2394 |
15 | 6d564ce |
hex | 4ada9ee |
78490094 has 8 divisors (see below), whose sum is σ = 120240288. Its totient is φ = 38410000.
The previous prime is 78490081. The next prime is 78490123. The reversal of 78490094 is 49009487.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×784900944 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
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, 417407 + ... + 417594.
It is an arithmetic number, because the mean of its divisors is an integer number (15030036).
Almost surely, 278490094 is an apocalyptic number.
78490094 is a deficient number, since it is larger than the sum of its proper divisors (41750194).
78490094 is a wasteful number, since it uses less digits than its factorization.
78490094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 835050.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 78490094 is about 8859.4635277764. The cubic root of 78490094 is about 428.1588741130.
The spelling of 78490094 in words is "seventy-eight million, four hundred ninety thousand, ninety-four".
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