Base | Representation |
---|---|
bin | 1001010101001… |
… | …00101001111110 |
3 | 12110021110221212 |
4 | 10222210221332 |
5 | 130014102204 |
6 | 11433324422 |
7 | 1640163443 |
oct | 452445176 |
9 | 173243855 |
10 | 78269054 |
11 | 401a9776 |
12 | 22266712 |
13 | 132a5566 |
14 | a5759ca |
15 | 6d10c6e |
hex | 4aa4a7e |
78269054 has 16 divisors (see below), whose sum is σ = 124480800. Its totient is φ = 36781824.
The previous prime is 78269033. The next prime is 78269089. The reversal of 78269054 is 45096287.
It is a super-2 number, since 2×782690542 = 12252089628109832, 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 7 ways as a sum of consecutive naturals, for example, 37367 + ... + 39405.
It is an arithmetic number, because the mean of its divisors is an integer number (7780050).
Almost surely, 278269054 is an apocalyptic number.
78269054 is a deficient number, since it is larger than the sum of its proper divisors (46211746).
78269054 is a wasteful number, since it uses less digits than its factorization.
78269054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3187.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 78269054 is about 8846.9799366790. The cubic root of 78269054 is about 427.7565761398.
The spelling of 78269054 in words is "seventy-eight million, two hundred sixty-nine thousand, fifty-four".
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