| Base | Representation |
|---|---|
| bin | 10011010010100… |
| … | …11011000011000 |
| 3 | 102021111102101000 |
| 4 | 21221103120120 |
| 5 | 312411302412 |
| 6 | 24020225000 |
| 7 | 4003315635 |
| oct | 1151233030 |
| 9 | 367442330 |
| 10 | 161822232 |
| 11 | 83387490 |
| 12 | 4623b160 |
| 13 | 276ab000 |
| 14 | 176c518c |
| 15 | e3174dc |
| hex | 9a53618 |
161822232 has 256 divisors, whose sum is σ = 548352000. Its totient is φ = 43804800.
The previous prime is 161822231. The next prime is 161822249. The reversal of 161822232 is 232228161.
161822232 is a `hidden beast` number, since 1 + 618 + 22 + 23 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
Its product of digits (2304) is a multiple of the sum of its prime factors (96).
It is a junction number, because it is equal to n+sod(n) for n = 161822196 and 161822205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161822231) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5220057 + ... + 5220087.
It is an arithmetic number, because the mean of its divisors is an integer number (2142000).
Almost surely, 2161822232 is an apocalyptic number.
161822232 is a gapful number since it is divisible by the number (12) 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 161822232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274176000).
161822232 is an abundant number, since it is smaller than the sum of its proper divisors (386529768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161822232 is a wasteful number, since it uses less digits than its factorization.
161822232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96 (or 60 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 161822232 is about 12720.9367579593. The cubic root of 161822232 is about 544.9367061698.
The spelling of 161822232 in words is "one hundred sixty-one million, eight hundred twenty-two thousand, two hundred thirty-two".
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