Base | Representation |
---|---|
bin | 11010010100000… |
… | …01111000011000 |
3 | 120101100101200112 |
4 | 31022001320120 |
5 | 423001423302 |
6 | 33523023452 |
7 | 5320125206 |
oct | 1512017030 |
9 | 511311615 |
10 | 220732952 |
11 | 103663a30 |
12 | 61b0ab88 |
13 | 3696621b |
14 | 2145c076 |
15 | 145a2552 |
hex | d281e18 |
220732952 has 32 divisors (see below), whose sum is σ = 457228800. Its totient is φ = 99060000.
The previous prime is 220732951. The next prime is 220732961. The reversal of 220732952 is 259237022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220732951) 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 7 ways as a sum of consecutive naturals, for example, 8924 + ... + 22827.
It is an arithmetic number, because the mean of its divisors is an integer number (14288400).
Almost surely, 2220732952 is an apocalyptic number.
220732952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
220732952 is an abundant number, since it is smaller than the sum of its proper divisors (236495848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220732952 is a wasteful number, since it uses less digits than its factorization.
220732952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31847 (or 31843 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 220732952 is about 14857.0842361481. The cubic root of 220732952 is about 604.3507384994.
Adding to 220732952 its reverse (259237022), we get a palindrome (479969974).
The spelling of 220732952 in words is "two hundred twenty million, seven hundred thirty-two thousand, nine hundred fifty-two".
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