Base | Representation |
---|---|
bin | 10011001110100… |
… | …10101010011000 |
3 | 102020111122010220 |
4 | 21213102222120 |
5 | 312242420000 |
6 | 24001040040 |
7 | 3665661546 |
oct | 1147225230 |
9 | 366448126 |
10 | 161295000 |
11 | 83057359 |
12 | 46026020 |
13 | 27555039 |
14 | 175c8d96 |
15 | e2611a0 |
hex | 99d2a98 |
161295000 has 80 divisors (see below), whose sum is σ = 503932440. Its totient is φ = 43008000.
The previous prime is 161294983. The next prime is 161295019. The reversal of 161295000 is 592161.
161295000 is digitally balanced in base 3, 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 (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9624 + ... + 20376.
Almost surely, 2161295000 is an apocalyptic number.
161295000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 161295000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251966220).
161295000 is an abundant number, since it is smaller than the sum of its proper divisors (342637440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161295000 is a wasteful number, since it uses less digits than its factorization.
161295000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10782 (or 10763 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 24.
The square root of 161295000 is about 12700.1968488681. The cubic root of 161295000 is about 544.3442439816.
The spelling of 161295000 in words is "one hundred sixty-one million, two hundred ninety-five thousand".
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