Base | Representation |
---|---|
bin | 1100010001001… |
… | …01111100000001 |
3 | 21011122122222211 |
4 | 12020211330001 |
5 | 202321301331 |
6 | 14113502121 |
7 | 2356525120 |
oct | 610457401 |
9 | 234578884 |
10 | 102915841 |
11 | 53103216 |
12 | 2a571941 |
13 | 18424a62 |
14 | d94dab7 |
15 | 907d8b1 |
hex | 6225f01 |
102915841 has 16 divisors (see below), whose sum is σ = 124830720. Its totient is φ = 82828800.
The previous prime is 102915829. The next prime is 102915889. The reversal of 102915841 is 148519201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 102915841 - 223 = 94527233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102915821) 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 15 ways as a sum of consecutive naturals, for example, 70800 + ... + 72238.
It is an arithmetic number, because the mean of its divisors is an integer number (7801920).
Almost surely, 2102915841 is an apocalyptic number.
It is an amenable number.
102915841 is a deficient number, since it is larger than the sum of its proper divisors (21914879).
102915841 is a wasteful number, since it uses less digits than its factorization.
102915841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2064.
The product of its (nonzero) digits is 2880, while the sum is 31.
The square root of 102915841 is about 10144.7445014648. The cubic root of 102915841 is about 468.6271102803.
The spelling of 102915841 in words is "one hundred two million, nine hundred fifteen thousand, eight hundred forty-one".
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