Base | Representation |
---|---|
bin | 10001011000010… |
… | …11110111110000 |
3 | 101011100102221111 |
4 | 20230023313300 |
5 | 244311110223 |
6 | 22245003104 |
7 | 3420166615 |
oct | 1054136760 |
9 | 334312844 |
10 | 145800688 |
11 | 75334240 |
12 | 409b3494 |
13 | 2428b6c7 |
14 | 1551450c |
15 | cc0030d |
hex | 8b0bdf0 |
145800688 has 40 divisors (see below), whose sum is σ = 318122496. Its totient is φ = 64132800.
The previous prime is 145800679. The next prime is 145800709. The reversal of 145800688 is 886008541.
145800688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 145800688.
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, 7906 + ... + 18817.
Almost surely, 2145800688 is an apocalyptic number.
It is an amenable number.
145800688 is an abundant number, since it is smaller than the sum of its proper divisors (172321808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145800688 is a wasteful number, since it uses less digits than its factorization.
145800688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26773 (or 26767 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 40.
The square root of 145800688 is about 12074.7955676276. The cubic root of 145800688 is about 526.3240207471.
The spelling of 145800688 in words is "one hundred forty-five million, eight hundred thousand, six hundred eighty-eight".
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