Base | Representation |
---|---|
bin | 10011001111011… |
… | …11011110010000 |
3 | 102020201122000120 |
4 | 21213233132100 |
5 | 312310204013 |
6 | 24003350240 |
7 | 3666662601 |
oct | 1147573620 |
9 | 366648016 |
10 | 161413008 |
11 | 83127a89 |
12 | 46082380 |
13 | 27596973 |
14 | 17619da8 |
15 | e286123 |
hex | 99ef790 |
161413008 has 40 divisors (see below), whose sum is σ = 417482208. Its totient is φ = 53740032.
The previous prime is 161413003. The next prime is 161413039. The reversal of 161413008 is 800314161.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (161413003) 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, 55560 + ... + 58392.
Almost surely, 2161413008 is an apocalyptic number.
It is an amenable number.
161413008 is an abundant number, since it is smaller than the sum of its proper divisors (256069200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161413008 is a wasteful number, since it uses less digits than its factorization.
161413008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4031 (or 4025 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 161413008 is about 12704.8419116493. The cubic root of 161413008 is about 544.4769641859.
Adding to 161413008 its reverse (800314161), we get a palindrome (961727169).
The spelling of 161413008 in words is "one hundred sixty-one million, four hundred thirteen thousand, eight".
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