Base | Representation |
---|---|
bin | 11011111111100… |
… | …010001101001111 |
3 | 1012201201011222122 |
4 | 123333202031033 |
5 | 1430211440030 |
6 | 114334003155 |
7 | 14431605605 |
oct | 3377421517 |
9 | 1181634878 |
10 | 469640015 |
11 | 221110549 |
12 | 1113464bb |
13 | 763b5300 |
14 | 46531875 |
15 | 2b36c8e5 |
hex | 1bfe234f |
469640015 has 24 divisors (see below), whose sum is σ = 611893440. Its totient is φ = 345880704.
The previous prime is 469640009. The next prime is 469640029. The reversal of 469640015 is 510046964.
It is not a de Polignac number, because 469640015 - 24 = 469639999 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607169 + ... + 607941.
It is an arithmetic number, because the mean of its divisors is an integer number (25495560).
Almost surely, 2469640015 is an apocalyptic number.
469640015 is a deficient number, since it is larger than the sum of its proper divisors (142253425).
469640015 is a wasteful number, since it uses less digits than its factorization.
469640015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1523 (or 1510 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 469640015 is about 21671.1793633849. The cubic root of 469640015 is about 777.2994571746.
Adding to 469640015 its reverse (510046964), we get a palindrome (979686979).
The spelling of 469640015 in words is "four hundred sixty-nine million, six hundred forty thousand, fifteen".
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