Base | Representation |
---|---|
bin | 110010110010… |
… | …100101111111 |
3 | 221001102222002 |
4 | 302302211333 |
5 | 11402030211 |
6 | 1153212515 |
7 | 221112404 |
oct | 62624577 |
9 | 27042862 |
10 | 13314431 |
11 | 7574369 |
12 | 456113b |
13 | 29b2380 |
14 | 1aa82ab |
15 | 128003b |
hex | cb297f |
13314431 has 8 divisors (see below), whose sum is σ = 14377440. Its totient is φ = 12256992.
The previous prime is 13314377. The next prime is 13314437. The reversal of 13314431 is 13441331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13314431 - 222 = 9120127 is a prime.
It is a super-3 number, since 3×133144313 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13314437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541 + ... + 6873.
It is an arithmetic number, because the mean of its divisors is an integer number (1797180).
Almost surely, 213314431 is an apocalyptic number.
13314431 is a deficient number, since it is larger than the sum of its proper divisors (1063009).
13314431 is a wasteful number, since it uses less digits than its factorization.
13314431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2785.
The product of its digits is 432, while the sum is 20.
The square root of 13314431 is about 3648.8944901162. The cubic root of 13314431 is about 237.0141113332.
Adding to 13314431 its reverse (13441331), we get a palindrome (26755762).
The spelling of 13314431 in words is "thirteen million, three hundred fourteen thousand, four hundred thirty-one".
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