Base | Representation |
---|---|
bin | 1001010100000… |
… | …11111010010111 |
3 | 12110000122222111 |
4 | 10222003322113 |
5 | 130000304220 |
6 | 11430411451 |
7 | 1636064434 |
oct | 452037227 |
9 | 173018874 |
10 | 78134935 |
11 | 40117a2a |
12 | 22200b87 |
13 | 132594b8 |
14 | a53cb8b |
15 | 6cd615a |
hex | 4a83e97 |
78134935 has 16 divisors (see below), whose sum is σ = 101368800. Its totient is φ = 57614976.
The previous prime is 78134923. The next prime is 78134957. The reversal of 78134935 is 53943187.
It is a cyclic number.
It is not a de Polignac number, because 78134935 - 29 = 78134423 is a prime.
It is a super-3 number, since 3×781349353 (a number of 25 digits) contains 333 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 15 ways as a sum of consecutive naturals, for example, 7600 + ... + 14629.
It is an arithmetic number, because the mean of its divisors is an integer number (6335550).
Almost surely, 278134935 is an apocalyptic number.
78134935 is a deficient number, since it is larger than the sum of its proper divisors (23233865).
78134935 is a wasteful number, since it uses less digits than its factorization.
78134935 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22290.
The product of its digits is 90720, while the sum is 40.
The square root of 78134935 is about 8839.3967554353. The cubic root of 78134935 is about 427.5121070862.
The spelling of 78134935 in words is "seventy-eight million, one hundred thirty-four thousand, nine hundred thirty-five".
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