Base | Representation |
---|---|
bin | 111011101100001… |
… | …000011100000001 |
3 | 2120210100122100112 |
4 | 323230020130001 |
5 | 4022331042031 |
6 | 243212001105 |
7 | 33546653240 |
oct | 7354103401 |
9 | 2523318315 |
10 | 1001424641 |
11 | 474307178 |
12 | 23b460195 |
13 | 12c618779 |
14 | 96ddc957 |
15 | 5cdb362b |
hex | 3bb08701 |
1001424641 has 16 divisors (see below), whose sum is σ = 1167350400. Its totient is φ = 841302528.
The previous prime is 1001424587. The next prime is 1001424643. The reversal of 1001424641 is 1464241001.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1001424641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1001424643) 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 15 ways as a sum of consecutive naturals, for example, 142355 + ... + 149223.
It is an arithmetic number, because the mean of its divisors is an integer number (72959400).
Almost surely, 21001424641 is an apocalyptic number.
It is an amenable number.
1001424641 is a deficient number, since it is larger than the sum of its proper divisors (165925759).
1001424641 is an equidigital number, since it uses as much as digits as its factorization.
1001424641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7288.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 1001424641 is about 31645.2941367275. The cubic root of 1001424641 is about 1000.4746550003.
Adding to 1001424641 its reverse (1464241001), we get a palindrome (2465665642).
The spelling of 1001424641 in words is "one billion, one million, four hundred twenty-four thousand, six hundred forty-one".
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