Base | Representation |
---|---|
bin | 1100011010100… |
… | …10000010000111 |
3 | 21020222010010101 |
4 | 12031102002013 |
5 | 203130120111 |
6 | 14200104531 |
7 | 2403134554 |
oct | 615220207 |
9 | 236863111 |
10 | 104145031 |
11 | 53872781 |
12 | 2aa65147 |
13 | 187653a3 |
14 | db8da2b |
15 | 9222bc1 |
hex | 6352087 |
104145031 has 8 divisors (see below), whose sum is σ = 105419600. Its totient is φ = 102876480.
The previous prime is 104145007. The next prime is 104145037. The reversal of 104145031 is 130541401.
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 104145031 - 29 = 104144519 is a prime.
It is a super-2 number, since 2×1041450312 = 21692374963981922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104145037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40051 + ... + 42571.
It is an arithmetic number, because the mean of its divisors is an integer number (13177450).
Almost surely, 2104145031 is an apocalyptic number.
104145031 is a deficient number, since it is larger than the sum of its proper divisors (1274569).
104145031 is a wasteful number, since it uses less digits than its factorization.
104145031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3009.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 104145031 is about 10205.1472796820. The cubic root of 104145031 is about 470.4854362779.
Adding to 104145031 its reverse (130541401), we get a palindrome (234686432).
The spelling of 104145031 in words is "one hundred four million, one hundred forty-five thousand, thirty-one".
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