Base | Representation |
---|---|
bin | 110011010011… |
… | …111010110011 |
3 | 221022101012122 |
4 | 303103322303 |
5 | 11420412211 |
6 | 1200144455 |
7 | 222221354 |
oct | 63237263 |
9 | 27271178 |
10 | 13450931 |
11 | 765797a |
12 | 460812b |
13 | 2a2c540 |
14 | 1b01d2b |
15 | 12aa6db |
hex | cd3eb3 |
13450931 has 8 divisors (see below), whose sum is σ = 14953344. Its totient is φ = 12015360.
The previous prime is 13450919. The next prime is 13450937. The reversal of 13450931 is 13905431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13450931 is a prime.
It is a super-2 number, since 2×134509312 = 361855089533522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13450931.
It is not an unprimeable number, because it can be changed into a prime (13450937) 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, 16286 + ... + 17091.
It is an arithmetic number, because the mean of its divisors is an integer number (1869168).
Almost surely, 213450931 is an apocalyptic number.
13450931 is a deficient number, since it is larger than the sum of its proper divisors (1502413).
13450931 is a wasteful number, since it uses less digits than its factorization.
13450931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33421.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 13450931 is about 3667.5510903054. The cubic root of 13450931 is about 237.8213179957.
The spelling of 13450931 in words is "thirteen million, four hundred fifty thousand, nine hundred thirty-one".
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