Base | Representation |
---|---|
bin | 101100101010… |
… | …0101010011101 |
3 | 1122001121222000 |
4 | 1121110222131 |
5 | 21443243303 |
6 | 2153512513 |
7 | 403012425 |
oct | 131245235 |
9 | 48047860 |
10 | 23415453 |
11 | 12243416 |
12 | 7a12739 |
13 | 4b0abc9 |
14 | 3177485 |
15 | 20c7da3 |
hex | 1654a9d |
23415453 has 16 divisors (see below), whose sum is σ = 35346240. Its totient is φ = 15314832.
The previous prime is 23415421. The next prime is 23415473. The reversal of 23415453 is 35451432.
It is not a de Polignac number, because 23415453 - 25 = 23415421 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23415473) 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 15 ways as a sum of consecutive naturals, for example, 6751 + ... + 9612.
It is an arithmetic number, because the mean of its divisors is an integer number (2209140).
Almost surely, 223415453 is an apocalyptic number.
It is an amenable number.
23415453 is a deficient number, since it is larger than the sum of its proper divisors (11930787).
23415453 is a wasteful number, since it uses less digits than its factorization.
23415453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16425 (or 16419 counting only the distinct ones).
The product of its digits is 7200, while the sum is 27.
The square root of 23415453 is about 4838.9516426598. The cubic root of 23415453 is about 286.0887991007.
Adding to 23415453 its reverse (35451432), we get a palindrome (58866885).
The spelling of 23415453 in words is "twenty-three million, four hundred fifteen thousand, four hundred fifty-three".
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