Base | Representation |
---|---|
bin | 1000001000101… |
… | …10101111000000 |
3 | 11202102111011112 |
4 | 10010112233000 |
5 | 114433004220 |
6 | 10434502452 |
7 | 1456056140 |
oct | 404265700 |
9 | 152374145 |
10 | 68250560 |
11 | 35586724 |
12 | 1aa34a28 |
13 | 111a8461 |
14 | 90c8920 |
15 | 5ed25c5 |
hex | 4116bc0 |
68250560 has 56 divisors (see below), whose sum is σ = 185745120. Its totient is φ = 23399424.
The previous prime is 68250487. The next prime is 68250571. The reversal of 68250560 is 6505286.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (56).
It is a Harshad number since it is a multiple of its sum of digits (32).
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, 12995 + ... + 17474.
Almost surely, 268250560 is an apocalyptic number.
It is an amenable number.
68250560 is an abundant number, since it is smaller than the sum of its proper divisors (117494560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68250560 is a wasteful number, since it uses less digits than its factorization.
68250560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30493 (or 30483 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 68250560 is about 8261.3897136015. The cubic root of 68250560 is about 408.6662189916. Note that the first 3 decimals are identical.
The spelling of 68250560 in words is "sixty-eight million, two hundred fifty thousand, five hundred sixty".
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