Base | Representation |
---|---|
bin | 1000000111001… |
… | …10001010101100 |
3 | 11202001101021200 |
4 | 10003212022230 |
5 | 114410123003 |
6 | 10430325500 |
7 | 1454300151 |
oct | 403461254 |
9 | 152041250 |
10 | 68051628 |
11 | 35460217 |
12 | 1a959890 |
13 | 11138a48 |
14 | 9076228 |
15 | 5e936a3 |
hex | 40e62ac |
68051628 has 36 divisors (see below), whose sum is σ = 176023848. Its totient is φ = 22155840.
The previous prime is 68051609. The next prime is 68051647. The reversal of 68051628 is 82615086.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (68051609) and next prime (68051647).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 68051592 and 68051601.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20433 + ... + 23528.
Almost surely, 268051628 is an apocalyptic number.
It is an amenable number.
68051628 is an abundant number, since it is smaller than the sum of its proper divisors (107972220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68051628 is a wasteful number, since it uses less digits than its factorization.
68051628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44014 (or 44009 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 68051628 is about 8249.3410645942. The cubic root of 68051628 is about 408.2687819473.
The spelling of 68051628 in words is "sixty-eight million, fifty-one thousand, six hundred twenty-eight".
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