Base | Representation |
---|---|
bin | 10101101010001… |
… | …11011001101000 |
3 | 110122220010012100 |
4 | 22311013121220 |
5 | 333003233404 |
6 | 30010213400 |
7 | 4334251152 |
oct | 1265073150 |
9 | 418803170 |
10 | 181696104 |
11 | 93620a77 |
12 | 50a24260 |
13 | 2b848bb5 |
14 | 1a1b9ad2 |
15 | 10e40d39 |
hex | ad47668 |
181696104 has 24 divisors (see below), whose sum is σ = 492093810. Its totient is φ = 60565344.
The previous prime is 181696103. The next prime is 181696111. The reversal of 181696104 is 401696181.
It is a happy number.
181696104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 143280900 + 38415204 = 11970^2 + 6198^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (181696103) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261707 + ... + 1261850.
Almost surely, 2181696104 is an apocalyptic number.
It is an amenable number.
181696104 is an abundant number, since it is smaller than the sum of its proper divisors (310397706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
181696104 is a wasteful number, since it uses less digits than its factorization.
181696104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2523569 (or 2523562 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 181696104 is about 13479.4697225076. The cubic root of 181696104 is about 566.3895149117.
The spelling of 181696104 in words is "one hundred eighty-one million, six hundred ninety-six thousand, one hundred four".
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