Base | Representation |
---|---|
bin | 1100100100001… |
… | …00111100000011 |
3 | 21100022222112001 |
4 | 12102010330003 |
5 | 203440331430 |
6 | 14243044431 |
7 | 2416621540 |
oct | 622047403 |
9 | 240288461 |
10 | 105402115 |
11 | 54551195 |
12 | 2b370717 |
13 | 18ab5620 |
14 | ddd9bc7 |
15 | 93c03ca |
hex | 6484f03 |
105402115 has 32 divisors (see below), whose sum is σ = 157602816. Its totient is φ = 65888640.
The previous prime is 105402113. The next prime is 105402119. The reversal of 105402115 is 511204501.
It is not a de Polignac number, because 105402115 - 21 = 105402113 is a prime.
It is a super-2 number, since 2×1054021152 = 22219211692946450, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 105402092 and 105402101.
It is not an unprimeable number, because it can be changed into a prime (105402113) 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 31 ways as a sum of consecutive naturals, for example, 36370 + ... + 39160.
It is an arithmetic number, because the mean of its divisors is an integer number (4925088).
Almost surely, 2105402115 is an apocalyptic number.
105402115 is a deficient number, since it is larger than the sum of its proper divisors (52200701).
105402115 is a wasteful number, since it uses less digits than its factorization.
105402115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2899.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 105402115 is about 10266.5532190702. The cubic root of 105402115 is about 472.3708707165.
Adding to 105402115 its reverse (511204501), we get a palindrome (616606616).
The spelling of 105402115 in words is "one hundred five million, four hundred two thousand, one hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •