Base | Representation |
---|---|
bin | 1011001011100011… |
… | …0000000100111000 |
3 | 21202011022211211100 |
4 | 2302320300010320 |
5 | 22121303041212 |
6 | 1213450331400 |
7 | 134241650466 |
oct | 26270600470 |
9 | 7664284740 |
10 | 3001221432 |
11 | 13001250a0 |
12 | 6b9129b60 |
13 | 38aa21491 |
14 | 206843836 |
15 | 128735bdc |
hex | b2e30138 |
3001221432 has 96 divisors (see below), whose sum is σ = 8889294960. Its totient is φ = 907200000.
The previous prime is 3001221409. The next prime is 3001221439. The reversal of 3001221432 is 2341221003.
It is a super-2 number, since 2×30012214322 = 18014660167792261248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3001221439) 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, 328932 + ... + 337932.
Almost surely, 23001221432 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 3001221432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4444647480).
3001221432 is an abundant number, since it is smaller than the sum of its proper divisors (5888073528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3001221432 is a wasteful number, since it uses less digits than its factorization.
3001221432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9445 (or 9438 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 3001221432 is about 54783.4047134714. The cubic root of 3001221432 is about 1442.4452781691.
Adding to 3001221432 its reverse (2341221003), we get a palindrome (5342442435).
The spelling of 3001221432 in words is "three billion, one million, two hundred twenty-one thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •