Base | Representation |
---|---|
bin | 1000001101101… |
… | …10011000110100 |
3 | 11210122201012112 |
4 | 10012312120310 |
5 | 120114421000 |
6 | 10500510152 |
7 | 1464451520 |
oct | 406663064 |
9 | 153581175 |
10 | 68904500 |
11 | 35992a75 |
12 | 1b0ab358 |
13 | 11376cc2 |
14 | 9218d80 |
15 | 60b1235 |
hex | 41b6634 |
68904500 has 48 divisors (see below), whose sum is σ = 171994368. Its totient is φ = 23623200.
The previous prime is 68904499. The next prime is 68904503. The reversal of 68904500 is 540986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68904503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6344 + ... + 13343.
It is an arithmetic number, because the mean of its divisors is an integer number (3583216).
Almost surely, 268904500 is an apocalyptic number.
It is an amenable number.
68904500 is an abundant number, since it is smaller than the sum of its proper divisors (103089868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68904500 is a wasteful number, since it uses less digits than its factorization.
68904500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19713 (or 19701 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 68904500 is about 8300.8734480174. The cubic root of 68904500 is about 409.9672787688.
The spelling of 68904500 in words is "sixty-eight million, nine hundred four thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •