Base | Representation |
---|---|
bin | 110010101100… |
… | …100000000011 |
3 | 221000011201210 |
4 | 302230200003 |
5 | 11400230400 |
6 | 1152501203 |
7 | 220646553 |
oct | 62544003 |
9 | 27004653 |
10 | 13289475 |
11 | 7557641 |
12 | 454a803 |
13 | 29a3bc4 |
14 | 1a9d163 |
15 | 1277950 |
hex | cac803 |
13289475 has 24 divisors (see below), whose sum is σ = 22570480. Its totient is φ = 6894720.
The previous prime is 13289473. The next prime is 13289477. The reversal of 13289475 is 57498231.
It is an interprime number because it is at equal distance from previous prime (13289473) and next prime (13289477).
It is not a de Polignac number, because 13289475 - 21 = 13289473 is a prime.
It is a super-2 number, since 2×132894752 = 353220291551250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13289473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381 + ... + 5169.
Almost surely, 213289475 is an apocalyptic number.
13289475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13289475 is a deficient number, since it is larger than the sum of its proper divisors (9281005).
13289475 is a wasteful number, since it uses less digits than its factorization.
13289475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4839 (or 4834 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 13289475 is about 3645.4732203104. The cubic root of 13289475 is about 236.8659356788.
The spelling of 13289475 in words is "thirteen million, two hundred eighty-nine thousand, four hundred seventy-five".
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