Base | Representation |
---|---|
bin | 11100100000010… |
… | …11011000001100 |
3 | 121122221122121212 |
4 | 32100023120030 |
5 | 442203400212 |
6 | 35421113552 |
7 | 5632334330 |
oct | 1620133014 |
9 | 548848555 |
10 | 239121932 |
11 | 112a83935 |
12 | 680b88b8 |
13 | 3a70428a |
14 | 23a877c0 |
15 | 15ed5e22 |
hex | e40b60c |
239121932 has 48 divisors (see below), whose sum is σ = 507806208. Its totient is φ = 96180480.
The previous prime is 239121931. The next prime is 239121959.
239121932 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (239121931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328553 + ... + 329279.
It is an arithmetic number, because the mean of its divisors is an integer number (10579296).
Almost surely, 2239121932 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 239121932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253903104).
239121932 is an abundant number, since it is smaller than the sum of its proper divisors (268684276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239121932 is a wasteful number, since it uses less digits than its factorization.
239121932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).
The product of its digits is 5832, while the sum is 32.
The square root of 239121932 is about 15463.5678936008. The cubic root of 239121932 is about 620.6876968701.
The spelling of 239121932 in words is "two hundred thirty-nine million, one hundred twenty-one thousand, nine hundred thirty-two".
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