Base | Representation |
---|---|
bin | 101001111000111… |
… | …1110100110100001 |
3 | 10121221220101222111 |
4 | 1103301332212201 |
5 | 10334314013101 |
6 | 351251035321 |
7 | 46555330336 |
oct | 12361764641 |
9 | 3557811874 |
10 | 1405610401 |
11 | 661480998 |
12 | 33289bb41 |
13 | 195294340 |
14 | d497298d |
15 | 83602251 |
hex | 53c7e9a1 |
1405610401 has 16 divisors (see below), whose sum is σ = 1584002560. Its totient is φ = 1238405760.
The previous prime is 1405610399. The next prime is 1405610407. The reversal of 1405610401 is 1040165041.
It is a cyclic number.
It is not a de Polignac number, because 1405610401 - 21 = 1405610399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1405610407) 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 15 ways as a sum of consecutive naturals, for example, 5530 + ... + 53308.
It is an arithmetic number, because the mean of its divisors is an integer number (99000160).
Almost surely, 21405610401 is an apocalyptic number.
It is an amenable number.
1405610401 is a deficient number, since it is larger than the sum of its proper divisors (178392159).
1405610401 is a wasteful number, since it uses less digits than its factorization.
1405610401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47896.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 1405610401 is about 37491.4710434253. The cubic root of 1405610401 is about 1120.1813059483.
Adding to 1405610401 its reverse (1040165041), we get a palindrome (2445775442).
The spelling of 1405610401 in words is "one billion, four hundred five million, six hundred ten thousand, four hundred one".
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