Base | Representation |
---|---|
bin | 100100011110110… |
… | …1110011001110001 |
3 | 10011022102202221101 |
4 | 1020331232121301 |
5 | 10001334443101 |
6 | 321245324401 |
7 | 42223010311 |
oct | 11075563161 |
9 | 3138382841 |
10 | 1224140401 |
11 | 578aa4890 |
12 | 2a1b66701 |
13 | 1667c7343 |
14 | b8815441 |
15 | 72708401 |
hex | 48f6e671 |
1224140401 has 8 divisors (see below), whose sum is σ = 1336475808. Its totient is φ = 1111980000.
The previous prime is 1224140399. The next prime is 1224140429. The reversal of 1224140401 is 1040414221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1224140401 - 21 = 1224140399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1224140101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28900 + ... + 57301.
It is an arithmetic number, because the mean of its divisors is an integer number (167059476).
Almost surely, 21224140401 is an apocalyptic number.
1224140401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1224140401 is a deficient number, since it is larger than the sum of its proper divisors (112335407).
1224140401 is a wasteful number, since it uses less digits than its factorization.
1224140401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87503.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 1224140401 is about 34987.7178592717. The cubic root of 1224140401 is about 1069.7371471261.
Adding to 1224140401 its reverse (1040414221), we get a palindrome (2264554622).
The spelling of 1224140401 in words is "one billion, two hundred twenty-four million, one hundred forty thousand, four hundred one".
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