Base | Representation |
---|---|
bin | 10111111010001… |
… | …100011001101011 |
3 | 1000221210120102222 |
4 | 113322030121223 |
5 | 1310142143430 |
6 | 103445344255 |
7 | 12640362320 |
oct | 2772143153 |
9 | 1027716388 |
10 | 401131115 |
11 | 196478820 |
12 | b240808b |
13 | 651493b8 |
14 | 3b3bab47 |
15 | 253389e5 |
hex | 17e8c66b |
401131115 has 32 divisors (see below), whose sum is σ = 607412736. Its totient is φ = 247023360.
The previous prime is 401131079. The next prime is 401131183. The reversal of 401131115 is 511131104.
It is not a de Polignac number, because 401131115 - 28 = 401130859 is a prime.
It is a super-2 number, since 2×4011311152 = 321812342842286450, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 401131093 and 401131102.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 25679 + ... + 38231.
It is an arithmetic number, because the mean of its divisors is an integer number (18981648).
Almost surely, 2401131115 is an apocalyptic number.
401131115 is a deficient number, since it is larger than the sum of its proper divisors (206281621).
401131115 is a wasteful number, since it uses less digits than its factorization.
401131115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12659.
The product of its (nonzero) digits is 60, while the sum is 17.
The square root of 401131115 is about 20028.2579122599. The cubic root of 401131115 is about 737.5001566599.
Adding to 401131115 its reverse (511131104), we get a palindrome (912262219).
The spelling of 401131115 in words is "four hundred one million, one hundred thirty-one thousand, one hundred fifteen".
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