Base | Representation |
---|---|
bin | 1000001010100… |
… | …11101111100110 |
3 | 11202220011221212 |
4 | 10011103233212 |
5 | 120014003304 |
6 | 10444111422 |
7 | 1461146531 |
oct | 405235746 |
9 | 152804855 |
10 | 68500454 |
11 | 35737450 |
12 | 1ab35572 |
13 | 11265119 |
14 | 9151a18 |
15 | 603166e |
hex | 4153be6 |
68500454 has 16 divisors (see below), whose sum is σ = 112527360. Its totient is φ = 31015560.
The previous prime is 68500447. The next prime is 68500469. The reversal of 68500454 is 45400586.
It is a super-2 number, since 2×685004542 = 9384624396412232, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68500454.
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, 134 + ... + 11705.
It is an arithmetic number, because the mean of its divisors is an integer number (7032960).
Almost surely, 268500454 is an apocalyptic number.
68500454 is a deficient number, since it is larger than the sum of its proper divisors (44026906).
68500454 is a wasteful number, since it uses less digits than its factorization.
68500454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12115.
The product of its (nonzero) digits is 19200, while the sum is 32.
The square root of 68500454 is about 8276.5001057210. The cubic root of 68500454 is about 409.1643777874.
The spelling of 68500454 in words is "sixty-eight million, five hundred thousand, four hundred fifty-four".
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