| Base | Representation |
|---|---|
| bin | 10011001111100… |
| … | …01001010011100 |
| 3 | 102020201222112000 |
| 4 | 21213301022130 |
| 5 | 312310414212 |
| 6 | 24003442300 |
| 7 | 4000022022 |
| oct | 1147611234 |
| 9 | 366658460 |
| 10 | 161419932 |
| 11 | 83132203 |
| 12 | 46086390 |
| 13 | 27599b6b |
| 14 | 1761c712 |
| 15 | e2881dc |
| hex | 99f129c |
161419932 has 48 divisors (see below), whose sum is σ = 420161280. Its totient is φ = 53592624.
The previous prime is 161419919. The next prime is 161419933. The reversal of 161419932 is 239914161.
It is a happy number.
161419932 is a `hidden beast` number, since 1 + 614 + 1 + 9 + 9 + 32 = 666.
161419932 is digitally balanced in base 2, 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 (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161419933) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25563 + ... + 31245.
It is an arithmetic number, because the mean of its divisors is an integer number (8753360).
Almost surely, 2161419932 is an apocalyptic number.
161419932 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 161419932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210080640).
161419932 is an abundant number, since it is smaller than the sum of its proper divisors (258741348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161419932 is a wasteful number, since it uses less digits than its factorization.
161419932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5959 (or 5951 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 161419932 is about 12705.1144032630. The cubic root of 161419932 is about 544.4847494002.
The spelling of 161419932 in words is "one hundred sixty-one million, four hundred nineteen thousand, nine hundred thirty-two".
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