Base | Representation |
---|---|
bin | 10001110110111… |
… | …01011010010000 |
3 | 101102212212101210 |
4 | 20323131122100 |
5 | 301322222223 |
6 | 22510500120 |
7 | 3466214235 |
oct | 1073353220 |
9 | 342785353 |
10 | 149804688 |
11 | 77619530 |
12 | 42204640 |
13 | 25061037 |
14 | 15c7778c |
15 | d241893 |
hex | 8edd690 |
149804688 has 40 divisors (see below), whose sum is σ = 422178336. Its totient is φ = 45395200.
The previous prime is 149804671. The next prime is 149804689. The reversal of 149804688 is 886408941.
149804688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (149804689) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141333 + ... + 142388.
Almost surely, 2149804688 is an apocalyptic number.
It is an amenable number.
149804688 is an abundant number, since it is smaller than the sum of its proper divisors (272373648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149804688 is a wasteful number, since it uses less digits than its factorization.
149804688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283743 (or 283737 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 48.
The square root of 149804688 is about 12239.4725376546. The cubic root of 149804688 is about 531.0985733492.
The spelling of 149804688 in words is "one hundred forty-nine million, eight hundred four thousand, six hundred eighty-eight".
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