Base | Representation |
---|---|
bin | 101011001010… |
… | …100100000001 |
3 | 210021212220000 |
4 | 223022210001 |
5 | 10344043312 |
6 | 1042310213 |
7 | 165115446 |
oct | 53124401 |
9 | 23255800 |
10 | 11315457 |
11 | 642951a |
12 | 3958369 |
13 | 246254a |
14 | 17079cd |
15 | ed7adc |
hex | aca901 |
11315457 has 10 divisors (see below), whose sum is σ = 16903458. Its totient is φ = 7543584.
The previous prime is 11315443. The next prime is 11315501. The reversal of 11315457 is 75451311.
11315457 is a `hidden beast` number, since 113 + 1 + 545 + 7 = 666.
It can be written as a sum of positive squares in only one way, i.e., 10439361 + 876096 = 3231^2 + 936^2 .
It is not a de Polignac number, because 11315457 - 24 = 11315441 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 11315457.
It is not an unprimeable number, because it can be changed into a prime (11313457) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69768 + ... + 69929.
Almost surely, 211315457 is an apocalyptic number.
It is an amenable number.
11315457 is a deficient number, since it is larger than the sum of its proper divisors (5588001).
11315457 is an equidigital number, since it uses as much as digits as its factorization.
11315457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139709 (or 139700 counting only the distinct ones).
The product of its digits is 2100, while the sum is 27.
The square root of 11315457 is about 3363.8455672043. The cubic root of 11315457 is about 224.5039739509.
Adding to 11315457 its reverse (75451311), we get a palindrome (86766768).
The spelling of 11315457 in words is "eleven million, three hundred fifteen thousand, four hundred fifty-seven".
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