Base | Representation |
---|---|
bin | 10111111010011… |
… | …011010011010001 |
3 | 1000221220200011100 |
4 | 113322123103101 |
5 | 1310201122040 |
6 | 103450535013 |
7 | 12641035254 |
oct | 2772332321 |
9 | 1027820140 |
10 | 401192145 |
11 | 19650a662 |
12 | b2437469 |
13 | 6516b103 |
14 | 3b3d509b |
15 | 2534bb30 |
hex | 17e9b4d1 |
401192145 has 24 divisors (see below), whose sum is σ = 696136896. Its totient is φ = 213742368.
The previous prime is 401192137. The next prime is 401192167. The reversal of 401192145 is 541291104.
It is not a de Polignac number, because 401192145 - 23 = 401192137 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 43642 + ... + 52028.
It is an arithmetic number, because the mean of its divisors is an integer number (29005704).
Almost surely, 2401192145 is an apocalyptic number.
401192145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
401192145 is a deficient number, since it is larger than the sum of its proper divisors (294944751).
401192145 is a wasteful number, since it uses less digits than its factorization.
401192145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9461 (or 9458 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 401192145 is about 20029.7814516285. The cubic root of 401192145 is about 737.5375570264.
The spelling of 401192145 in words is "four hundred one million, one hundred ninety-two thousand, one hundred forty-five".
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