Base | Representation |
---|---|
bin | 110010010100… |
… | …110100101011 |
3 | 220211020200210 |
4 | 302110310223 |
5 | 11334124431 |
6 | 1150432203 |
7 | 220064034 |
oct | 62246453 |
9 | 26736623 |
10 | 13192491 |
11 | 74a0794 |
12 | 4502663 |
13 | 296ba10 |
14 | 1a75a8b |
15 | 1258d46 |
hex | c94d2b |
13192491 has 8 divisors (see below), whose sum is σ = 18943120. Its totient is φ = 8118432.
The previous prime is 13192483. The next prime is 13192507. The reversal of 13192491 is 19429131.
13192491 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13192491 - 23 = 13192483 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13192591) 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, 169096 + ... + 169173.
It is an arithmetic number, because the mean of its divisors is an integer number (2367890).
Almost surely, 213192491 is an apocalyptic number.
13192491 is a deficient number, since it is larger than the sum of its proper divisors (5750629).
13192491 is a wasteful number, since it uses less digits than its factorization.
13192491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338285.
The product of its digits is 1944, while the sum is 30.
The square root of 13192491 is about 3632.1468857963. The cubic root of 13192491 is about 236.2883278148.
The spelling of 13192491 in words is "thirteen million, one hundred ninety-two thousand, four hundred ninety-one".
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