Base | Representation |
---|---|
bin | 11001011010111… |
… | …01000001001100 |
3 | 112212020210221100 |
4 | 30231131001030 |
5 | 414042220212 |
6 | 33054303100 |
7 | 5166345411 |
oct | 1455350114 |
9 | 485223840 |
10 | 213241932 |
11 | aa407902 |
12 | 5b4b7a90 |
13 | 35242677 |
14 | 2046c108 |
15 | 13ac2bdc |
hex | cb5d04c |
213241932 has 72 divisors (see below), whose sum is σ = 561841280. Its totient is φ = 68117760.
The previous prime is 213241927. The next prime is 213241937. The reversal of 213241932 is 239142312.
It is a happy number.
213241932 is a `hidden beast` number, since 213 + 2 + 419 + 32 = 666.
It is an interprime number because it is at equal distance from previous prime (213241927) and next prime (213241937).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 213241896 and 213241905.
It is not an unprimeable number, because it can be changed into a prime (213241937) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 120768 + ... + 122520.
Almost surely, 2213241932 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 213241932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280920640).
213241932 is an abundant number, since it is smaller than the sum of its proper divisors (348599348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213241932 is a wasteful number, since it uses less digits than its factorization.
213241932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1903 (or 1898 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 213241932 is about 14602.8056208388. The cubic root of 213241932 is about 597.4352860241.
The spelling of 213241932 in words is "two hundred thirteen million, two hundred forty-one thousand, nine hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •