Base | Representation |
---|---|
bin | 1100001101111… |
… | …10110100000001 |
3 | 21010212012120101 |
4 | 12012332310001 |
5 | 202214242231 |
6 | 14100442401 |
7 | 2353115461 |
oct | 606766401 |
9 | 233765511 |
10 | 102493441 |
11 | 52944926 |
12 | 2a3a9401 |
13 | 1830770b |
14 | d87dba1 |
15 | 8ee8661 |
hex | 61bed01 |
102493441 has 4 divisors (see below), whose sum is σ = 105263572. Its totient is φ = 99723312.
The previous prime is 102493439. The next prime is 102493507. The reversal of 102493441 is 144394201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 68807025 + 33686416 = 8295^2 + 5804^2 .
It is a cyclic number.
It is not a de Polignac number, because 102493441 - 21 = 102493439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102493421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385010 + ... + 1385083.
It is an arithmetic number, because the mean of its divisors is an integer number (26315893).
Almost surely, 2102493441 is an apocalyptic number.
It is an amenable number.
102493441 is a deficient number, since it is larger than the sum of its proper divisors (2770131).
102493441 is an equidigital number, since it uses as much as digits as its factorization.
102493441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2770130.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 102493441 is about 10123.9044345549. The cubic root of 102493441 is about 467.9850985710.
The spelling of 102493441 in words is "one hundred two million, four hundred ninety-three thousand, four hundred forty-one".
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