Base | Representation |
---|---|
bin | 11011100101110… |
… | …00001111001010 |
3 | 121010111102212000 |
4 | 31302320033022 |
5 | 433222110404 |
6 | 34544331430 |
7 | 5510135064 |
oct | 1562701712 |
9 | 533442760 |
10 | 231441354 |
11 | 109708351 |
12 | 65613b76 |
13 | 38c45361 |
14 | 22a48734 |
15 | 154ba339 |
hex | dcb83ca |
231441354 has 64 divisors (see below), whose sum is σ = 527990400. Its totient is φ = 75119616.
The previous prime is 231441347. The next prime is 231441367. The reversal of 231441354 is 453144132.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552157 + ... + 552575.
It is an arithmetic number, because the mean of its divisors is an integer number (8249850).
Almost surely, 2231441354 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231441354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263995200).
231441354 is an abundant number, since it is smaller than the sum of its proper divisors (296549046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231441354 is a wasteful number, since it uses less digits than its factorization.
231441354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 676 (or 670 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 231441354 is about 15213.1967054922. The cubic root of 231441354 is about 613.9697683057.
Adding to 231441354 its reverse (453144132), we get a palindrome (684585486).
The spelling of 231441354 in words is "two hundred thirty-one million, four hundred forty-one thousand, three hundred fifty-four".
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