Base | Representation |
---|---|
bin | 10011001110110… |
… | …10101010001010 |
3 | 102020120022002000 |
4 | 21213122222022 |
5 | 312244442004 |
6 | 24001451430 |
7 | 3666156210 |
oct | 1147325212 |
9 | 366508060 |
10 | 161327754 |
11 | 83079a25 |
12 | 46040b76 |
13 | 27566c13 |
14 | 175d6cb0 |
15 | e26ac39 |
hex | 99daa8a |
161327754 has 64 divisors (see below), whose sum is σ = 423878400. Its totient is φ = 44501184.
The previous prime is 161327731. The next prime is 161327797. The reversal of 161327754 is 457723161.
It is a happy number.
161327754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3604 + ... + 18320.
It is an arithmetic number, because the mean of its divisors is an integer number (6623100).
Almost surely, 2161327754 is an apocalyptic number.
161327754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 161327754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211939200).
161327754 is an abundant number, since it is smaller than the sum of its proper divisors (262550646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161327754 is a wasteful number, since it uses less digits than its factorization.
161327754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14764 (or 14758 counting only the distinct ones).
The product of its digits is 35280, while the sum is 36.
The square root of 161327754 is about 12701.4862909819. The cubic root of 161327754 is about 544.3810879520.
The spelling of 161327754 in words is "one hundred sixty-one million, three hundred twenty-seven thousand, seven hundred fifty-four".
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