Base | Representation |
---|---|
bin | 10011001110001… |
… | …01100110011010 |
3 | 102020101220202100 |
4 | 21213011212122 |
5 | 312234211443 |
6 | 23555544230 |
7 | 3665346555 |
oct | 1147054632 |
9 | 366356670 |
10 | 161241498 |
11 | 83020140 |
12 | 45bbb076 |
13 | 27536892 |
14 | 175b369c |
15 | e2503d3 |
hex | 99c599a |
161241498 has 48 divisors (see below), whose sum is σ = 403543296. Its totient is φ = 45985920.
The previous prime is 161241473. The next prime is 161241499. The reversal of 161241498 is 894142161.
161241498 is a `hidden beast` number, since 161 + 2 + 4 + 1 + 498 = 666.
161241498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (161241499) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20586 + ... + 27317.
It is an arithmetic number, because the mean of its divisors is an integer number (8407152).
Almost surely, 2161241498 is an apocalyptic number.
161241498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
161241498 is an abundant number, since it is smaller than the sum of its proper divisors (242301798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161241498 is a wasteful number, since it uses less digits than its factorization.
161241498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47939 (or 47936 counting only the distinct ones).
The product of its digits is 13824, while the sum is 36.
The square root of 161241498 is about 12698.0903288644. The cubic root of 161241498 is about 544.2840504925.
The spelling of 161241498 in words is "one hundred sixty-one million, two hundred forty-one thousand, four hundred ninety-eight".
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