Base | Representation |
---|---|
bin | 1000001100110… |
… | …10100100010010 |
3 | 11210102220220000 |
4 | 10012122210102 |
5 | 120102244141 |
6 | 10454230430 |
7 | 1463465346 |
oct | 406324422 |
9 | 153386800 |
10 | 68790546 |
11 | 359153a0 |
12 | 1b055416 |
13 | 11337186 |
14 | 91c9626 |
15 | 608c5b6 |
hex | 419a912 |
68790546 has 40 divisors (see below), whose sum is σ = 168159024. Its totient is φ = 20845080.
The previous prime is 68790541. The next prime is 68790559. The reversal of 68790546 is 64509786.
It is not an unprimeable number, because it can be changed into a prime (68790541) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17520 + ... + 21083.
Almost surely, 268790546 is an apocalyptic number.
68790546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68790546 is an abundant number, since it is smaller than the sum of its proper divisors (99368478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68790546 is a wasteful number, since it uses less digits than its factorization.
68790546 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38628 (or 38619 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 68790546 is about 8294.0066312971. The cubic root of 68790546 is about 409.7411532924.
The spelling of 68790546 in words is "sixty-eight million, seven hundred ninety thousand, five hundred forty-six".
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